OT-2026-000074974
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000074974) never changes.
Identity and time
| Publication number | OT-2026-000074974 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2d-79eb-a28c-9fa4af593785 · 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-2026-000074974 |
| Status | PUBLIC |
Content hashes
| Canonical text | a417a0d05ee00af09e1932b1ba8fd0b4984d19c74da06de28fc4ad5d1cb44cdf |
|---|---|
| Markdown | 87dd09946c1e1567754d95155d04ba1d2a8d4186e931fff06a2d562a2d1ded0a |
| Publication page | c2ede8cfa131498746da7c479f393926661e0bd5380487e27debd635e0b98930 |
| Manifest | 956fffac32c394750d1decabf7f16c8a2d20f943ad347a1363871b76777fe1c0 |
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 | AMhTD3w9nS0fc2VPpn8u4VLLz+iog/3EVoQ0RM6KT5ykgnbqfh9EBVf2y5JZmhBHULE0Xw2NfaaL4FR5hP1ZBw== |
| 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
| 2026-10-11T00:41:41.023105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974observed c2ede8cfa131498746da7c479f393926...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T00:41:40.942916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974/manifest.jsonobserved 956fffac32c394750d1decabf7f16c8a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:40.813049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974/publication.mdobserved 87dd09946c1e1567754d95155d04ba1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T00:41:40.718937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974/publication.txtobserved a417a0d05ee00af09e1932b1ba8fd0b4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:21.625428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974observed c2ede8cfa131498746da7c479f393926...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:21.570927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974/manifest.jsonobserved 956fffac32c394750d1decabf7f16c8a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:21.509236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974/publication.mdobserved 87dd09946c1e1567754d95155d04ba1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:21.431764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074974/publication.txtobserved a417a0d05ee00af09e1932b1ba8fd0b4...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 |
|---|