OT-2026-000074942
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000074942) never changes.
Identity and time
| Publication number | OT-2026-000074942 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2d-7604-baf0-5c606ea706d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074942 |
| Status | PUBLIC |
Content hashes
| Canonical text | e83f60b8d75ccdc419367b58189f55ef7ea7d006a0a281c37d23dc9686667574 |
|---|---|
| Markdown | 0acc995d358679da8c610da43964aef5096b946c2a524011f74de98317a19d29 |
| Publication page | 0469e7ff1f1cc426be8314a3325580b7f9608564997163d1ea62138f1aca848e |
| Manifest | b6582cd3cb2e3e0e7ec8195ff48bbad61ccb7c30e0aba2a9461202957004db65 |
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 | Nxcs4Aj+Zytt/+JkGpI7mp9yQ8Nc5/cKw3lBLhEnXMhJkBmZmvLf4zo5Zp0QEHU54Ot/xS97oG/Ys/WbxNnYDg== |
| 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
| 2026-10-30T08:41:24.800189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942observed 0469e7ff1f1cc426be8314a3325580b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T08:41:24.745425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942/manifest.jsonobserved b6582cd3cb2e3e0e7ec8195ff48bbad6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:24.693998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942/publication.mdobserved 0acc995d358679da8c610da43964aef5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:24.639626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942/publication.txtobserved e83f60b8d75ccdc419367b58189f55ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:23:27.565746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942observed 0469e7ff1f1cc426be8314a3325580b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:23:27.547384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942/manifest.jsonobserved b6582cd3cb2e3e0e7ec8195ff48bbad6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:23:27.517282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942/publication.mdobserved 0acc995d358679da8c610da43964aef5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:23:27.488853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074942/publication.txtobserved e83f60b8d75ccdc419367b58189f55ef...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 |
|---|