OT-2026-000075080
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000075080) never changes.
Identity and time
| Publication number | OT-2026-000075080 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2e-7511-8213-ec0c1cb44f62 · 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-2026-000075080 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd0cd25e3840567a9e6f7186073442c310db3afb4abb443eb8a7139458db917d |
|---|---|
| Markdown | 663fe7d15534ba715ae6f2e7616a18dc7677f674081df55a897e7169c6457eee |
| Publication page | 5e9aa0be71bf321ca6de3492217cb9c546eff6a905e5b9e98448480316392017 |
| Manifest | 6e259ed52fba9127980c4f41c4ed385ff41aabaf6d129e77dc03004033075855 |
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 | 1WTA1aXnSTGvBjPaiL7OD6BvL8kMQ/M4XoPBPi9bY4/ToCOrYVxTs4j5rzwqLGSOgQPZlVDq2h5FFpm+uMrOAQ== |
| 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
| 2026-10-14T12:41:34.347096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080observed 5e9aa0be71bf321ca6de3492217cb9c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T12:41:34.293665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080/manifest.jsonobserved 6e259ed52fba9127980c4f41c4ed385f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:34.244967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080/publication.mdobserved 663fe7d15534ba715ae6f2e7616a18dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:34.195919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080/publication.txtobserved dd0cd25e3840567a9e6f7186073442c3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:43:08.445919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080observed 5e9aa0be71bf321ca6de3492217cb9c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:43:08.285364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080/manifest.jsonobserved 6e259ed52fba9127980c4f41c4ed385f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:43:08.134284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080/publication.mdobserved 663fe7d15534ba715ae6f2e7616a18dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T00:43:07.945740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075080/publication.txtobserved dd0cd25e3840567a9e6f7186073442c3...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 |
|---|