OT-2026-000074255
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000074255) never changes.
Identity and time
| Publication number | OT-2026-000074255 · never reused |
|---|---|
| Internal UUID | 01a0ae93-7178-7f51-8fcc-42c277a888f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074255 |
| Status | PUBLIC |
Content hashes
| Canonical text | e521121488e4a4535264f5d07f23c589c40fecde888d54fdd9ffaed321c1d5a3 |
|---|---|
| Markdown | 0923fd7d8c0e3aa9ab31ca5537b1a8ca1117343fc0be0f2e1df8f2a48f957743 |
| Publication page | 3ca89dce5970b7bb11b70b586c2d67a27065976a788808dd007ffbac33ed0198 |
| Manifest | 64bfc18ecf6a3ca8ef6a34c4b8c1867d31932a3f99a786da29ee0bf9cb109be1 |
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 | 0mGijtFbxr7I5Xz8gxu6cXt/wsDcWxdc7d5ZIbPO6bBSwiyMu2NP/qkL5qdAfgb0tZBplKRxQ5vHX7spMz/oDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-31T08:41:27.563165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255observed 3ca89dce5970b7bb11b70b586c2d67a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:41:27.488396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255/manifest.jsonobserved 64bfc18ecf6a3ca8ef6a34c4b8c1867d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:27.416719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255/publication.mdobserved 0923fd7d8c0e3aa9ab31ca5537b1a8ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:41:27.330757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255/publication.txtobserved e521121488e4a4535264f5d07f23c589...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:55.695422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255observed 3ca89dce5970b7bb11b70b586c2d67a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:55.590405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255/manifest.jsonobserved 64bfc18ecf6a3ca8ef6a34c4b8c1867d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:55.515280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255/publication.mdobserved 0923fd7d8c0e3aa9ab31ca5537b1a8ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T08:41:55.373516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074255/publication.txtobserved e521121488e4a4535264f5d07f23c589...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 |
|---|