OT-2026-000070746
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000070746) never changes.
Identity and time
| Publication number | OT-2026-000070746 · never reused |
|---|---|
| Internal UUID | 01a0ae91-8c2c-73e4-b27e-efa7a9a40114 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:52:49.344646Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000070746 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbfd4f7ec0274ecc59a00ce060256e96ac49053f0becd141936df23158ce5ecd |
|---|---|
| Markdown | e5b64e61461c33a10ac52f9b819881b096139cd56339432b8107178c0ebc2a46 |
| Publication page | 55b7245b5a631ea4364b83649d4495d3d4f06dcfbf2a1b534e738f5cdb98f28a |
| Manifest | 7bc24927590a03ec376b85b72a52e7bacc865073a8d587ad682a70fb6f8345de |
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 | YxP2phr+FXpK5R04EL2Hi1YqjqQGVRa46yc+sUB3rqtdVFxBFm7fjok7tdwgNrzAqrbX+jF6r8BJ9ajbye5zCw== |
| 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
| 2026-10-27T04:23:41.479363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746observed 55b7245b5a631ea4364b83649d4495d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T04:23:41.435743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746/manifest.jsonobserved 7bc24927590a03ec376b85b72a52e7ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:23:41.419931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746/publication.mdobserved e5b64e61461c33a10ac52f9b819881b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:23:41.328795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746/publication.txtobserved fbfd4f7ec0274ecc59a00ce060256e96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:23.623114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746observed 55b7245b5a631ea4364b83649d4495d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:23.501918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746/manifest.jsonobserved 7bc24927590a03ec376b85b72a52e7ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:23.403323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746/publication.mdobserved e5b64e61461c33a10ac52f9b819881b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:23.244998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070746/publication.txtobserved fbfd4f7ec0274ecc59a00ce060256e96...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 |
|---|