OT-2026-000074840
Publication integrity record
Two bellows cup vacuum gripper, two 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-2026-000074840) never changes.
Identity and time
| Publication number | OT-2026-000074840 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2c-7da4-b4e3-05bbb8a3f886 · 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-2026-000074840 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e07e6b5d6c39c9fb89198548c8375a6b3b689cb1e724ed256c41433d4874ba1 |
|---|---|
| Markdown | 6b3a3c122e9ab5321ff99a45b24a8711d936276448834c5f791e72ee7faff6e0 |
| Publication page | 5cd5061c15fb5ef75b6f4bdc083f36ecb14e912f7ea9640afd6d19bd17bec492 |
| Manifest | 5b16484db463b2019d81aa6309590953c50bc8293041d0722e5b123f292d436e |
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 | 4zgeBlWN81Six/iTC7olsMxkIZ5ucqUOURrPtniSX+qXUZA9Gpts7gAdrUQlwML5p38oZ5o7guNuQjEQDIZmBw== |
| 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... |
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Independent retrieval
| 2026-11-03T16:41:24.590750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840observed 5cd5061c15fb5ef75b6f4bdc083f36ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T16:41:24.463263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840/manifest.jsonobserved 5b16484db463b2019d81aa6309590953...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T16:41:24.357697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840/publication.mdobserved 6b3a3c122e9ab5321ff99a45b24a8711...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T16:41:24.273516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840/publication.txtobserved 0e07e6b5d6c39c9fb89198548c8375a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:18.510065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840observed 5cd5061c15fb5ef75b6f4bdc083f36ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:18.460184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840/manifest.jsonobserved 5b16484db463b2019d81aa6309590953...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:18.399382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840/publication.mdobserved 6b3a3c122e9ab5321ff99a45b24a8711...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:18.305507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074840/publication.txtobserved 0e07e6b5d6c39c9fb89198548c8375a6...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 |
|---|