OT-2026-000021237
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000021237) never changes.
Identity and time
| Publication number | OT-2026-000021237 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7dbc-8244-65e98fd93cf3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021237 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02e2ca915fcb9ddc3484334eabb284cec08d136d9aae542bccba49783411e01b |
|---|---|
| Markdown | fb73dd72eede9ae210594611aff278e3eaf643f3b5c77599d38f676becad4008 |
| Publication page | 0629ff3a4439aee0053ce357dd4383d337c21788b519e83b15256f4eb3682e1a |
| Manifest | 172c0eabf530c57c605fdd95c87457a0c6c3484da021bb0d7af67f831dd372b8 |
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 | X80Sa3e/o7Bntiw8GhnWigtlZp/JSlVIKGQ6wV7xHw773qDojw0Yr5MxvMDGbKL4V0M0XGpvmJNJvymWOZErDg== |
| 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
| 2026-10-09T04:23:13.771979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237observed 0629ff3a4439aee0053ce357dd4383d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T04:23:13.754119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237/manifest.jsonobserved 172c0eabf530c57c605fdd95c87457a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:13.736941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237/publication.mdobserved fb73dd72eede9ae210594611aff278e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:13.690554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237/publication.txtobserved 02e2ca915fcb9ddc3484334eabb284ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:49.659167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237observed 0629ff3a4439aee0053ce357dd4383d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:49.605634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237/manifest.jsonobserved 172c0eabf530c57c605fdd95c87457a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:49.538672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237/publication.mdobserved fb73dd72eede9ae210594611aff278e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:49.472713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021237/publication.txtobserved 02e2ca915fcb9ddc3484334eabb284ce...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 |
|---|