OT-2026-000011642
Publication integrity record
Four finger pneumatic gripper
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-2026-000011642) never changes.
Identity and time
| Publication number | OT-2026-000011642 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-77e7-ab81-2c8eabcb3d15 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011642 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38949cd5c6fb48ca2eb75989873c0deb6f2da255074a31a3590ed5401fd35cdc |
|---|---|
| Markdown | ff83198962637fbb049302ad956e911f810dad0070dcc2320d7ce445178f4e38 |
| Publication page | b4224eaa3480ac0fa10ea4030ae12d4a30cf3240c4212ed4d470822337e1f8e9 |
| Manifest | 519b5f3d675c003d2d221a40f1b35c6047b909fe31c1ec04d0d52bc5b2de9c97 |
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 | ZbixsYv86K68XcV5Y/g2lCw09uvUax7q6Ts108Wtartbf74gPDDy78Ul8yDfvhZNchc0jSFwsvNN0OtagP5JCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:12:13.623629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011642observed b4224eaa3480ac0fa10ea4030ae12d4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:13.604278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011642/manifest.jsonobserved 519b5f3d675c003d2d221a40f1b35c60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:13.585425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011642/publication.mdobserved ff83198962637fbb049302ad956e911f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:13.566666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011642/publication.txtobserved 38949cd5c6fb48ca2eb75989873c0deb...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|