OT-2026-000054228
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054228) never changes.
Identity and time
| Publication number | OT-2026-000054228 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-70a7-9abb-18bd30dd41ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054228 |
| Status | PUBLIC |
Content hashes
| Canonical text | d90fd33361972f431c1eccac37ae04e43e8099b6ca00402bc3f867937b6e12f3 |
|---|---|
| Markdown | f12121da9b4c5d29416238fc781df4ee30209fa629292b02fec68f0c4806e47c |
| Publication page | 6302530a80311635a127e7d9ac9b0cf93a9e1105cf07ae316793fe88672c4563 |
| Manifest | 4905f4312512fa85f7527d195d36a74610728b1330a0c680e7d45f94b62a11d4 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | qnuxLJOatwt8qiabOd6q5H1jfh/xnZCGjpnRj16V2osBkmr6WL0gPdl/Mh4gSoEoctxP9BbPAUcP9m1saaF6Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-20T08:41:30.408052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228observed 6302530a80311635a127e7d9ac9b0cf9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-20T08:41:29.594100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228/manifest.jsonobserved 4905f4312512fa85f7527d195d36a746...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:41:26.127863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228/publication.mdobserved f12121da9b4c5d29416238fc781df4ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:41:24.661514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228/publication.txtobserved d90fd33361972f431c1eccac37ae04e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:42.596355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228observed 6302530a80311635a127e7d9ac9b0cf9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:42.576290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228/manifest.jsonobserved 4905f4312512fa85f7527d195d36a746...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:42.555784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228/publication.mdobserved f12121da9b4c5d29416238fc781df4ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:42.536954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054228/publication.txtobserved d90fd33361972f431c1eccac37ae04e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|