OT-2026-000048280
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000048280) never changes.
Identity and time
| Publication number | OT-2026-000048280 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de3-7ddf-bc74-c58ed75465a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048280 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e466d07b19a7d8ea4b2d9ea82ef675c1d95e6481340ea7ffbd4fb1a0e756de8 |
|---|---|
| Markdown | 0f48bfc0f1b1e26b93ca2376121cd3aca70fea514f2256521a6f3aec3f944727 |
| Publication page | 7ed54a258842f43778d67f12fc1b33c0a0116a64b848da0c848b79106255e15a |
| Manifest | 6ef83eedd6b83af6f4008b7f7fff5e40936fb3170f8e34b75f5ca5b0dbe2b61d |
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 | D0IvBSTh28uAaApvTqm+xo2y45IgQXZfnDk7TpwbO7DpVsCIo3GXEYmZ/Z1BWQPKGoCGtyjZhyfOTeoYwHZVDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-21T04:41:15.467206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280observed 7ed54a258842f43778d67f12fc1b33c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T04:41:15.395691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280/manifest.jsonobserved 6ef83eedd6b83af6f4008b7f7fff5e40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:15.296554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280/publication.mdobserved 0f48bfc0f1b1e26b93ca2376121cd3ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:14.975322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280/publication.txtobserved 0e466d07b19a7d8ea4b2d9ea82ef675c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:22.337333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280observed 7ed54a258842f43778d67f12fc1b33c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:22.249480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280/manifest.jsonobserved 6ef83eedd6b83af6f4008b7f7fff5e40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:22.147412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280/publication.mdobserved 0f48bfc0f1b1e26b93ca2376121cd3ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:22.046471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048280/publication.txtobserved 0e466d07b19a7d8ea4b2d9ea82ef675c...fetched by grabo-systems from 34.44.131.203, 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 |
|---|