OT-2026-000074306
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000074306) never changes.
Identity and time
| Publication number | OT-2026-000074306 · never reused |
|---|---|
| Internal UUID | 01a0ae93-7179-7538-9a64-50a208f7805c · 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-2026-000074306 |
| Status | PUBLIC |
Content hashes
| Canonical text | f67b9ca1e972e09ea148d8bb30e528d7faec95d28c3c60ca6c13d29f41cfd59d |
|---|---|
| Markdown | 1adfbc243d2d1e8038ace061a53f0aa6d07eb0fb9f1c7bd941cd128bb584da1a |
| Publication page | 9a06e654c67a4aeca69f795c9381ae2845c4daaf54d34c7a77792a95a5209bb0 |
| Manifest | 7b03cc0cfa1c8a27389463b0f5ac0e43cff7aa7ac72a580bfdf2846a3eb8be4d |
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 | 298JMVmngAEX7KSwdEjyXAPi8qwjff/lYjUNfKbWNeeiBi7Eb4pIaNwhvYVyUXjSFpMD4jLVhMvEpxxLKv1oBQ== |
| 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
| 2026-10-10T08:41:30.887835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306observed 9a06e654c67a4aeca69f795c9381ae28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T08:41:30.818419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306/manifest.jsonobserved 7b03cc0cfa1c8a27389463b0f5ac0e43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:30.722910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306/publication.mdobserved 1adfbc243d2d1e8038ace061a53f0aa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T08:41:30.599046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306/publication.txtobserved f67b9ca1e972e09ea148d8bb30e528d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:25.992081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306observed 9a06e654c67a4aeca69f795c9381ae28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:25.941006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306/manifest.jsonobserved 7b03cc0cfa1c8a27389463b0f5ac0e43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:25.870803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306/publication.mdobserved 1adfbc243d2d1e8038ace061a53f0aa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:25.808290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074306/publication.txtobserved f67b9ca1e972e09ea148d8bb30e528d7...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 |
|---|