OT-2026-000021081
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000021081) never changes.
Identity and time
| Publication number | OT-2026-000021081 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-7bae-9d56-9974a7203998 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021081 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38c6062f7cd400a81c381dd4a45d0e685869d9d6c22925f35a6ce13dda9a4caa |
|---|---|
| Markdown | 67150df976825df3427ba534e2a4631b6146c0b55875658352282bddf61e8e21 |
| Publication page | e16cdeeccee1c0e3d84ae8dc342fe5a3d10330e011c0337ef9aca633aa3e2707 |
| Manifest | ab101784bf8b4f7b1a157c8d96396aad0df8fb62de7caf023098d0d8ef88024e |
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 | zKx0dnj95bar5OqH4rvBYsUyWsTrpoS5LjYz0fiIo36092NVJlI2UIgmGVcgkyVIAz37CboyW/yqAeRcDRAEDg== |
| 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
| 2026-09-17T11:56:15.379354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021081observed e16cdeeccee1c0e3d84ae8dc342fe5a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:15.360088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021081/manifest.jsonobserved ab101784bf8b4f7b1a157c8d96396aad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:15.341032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021081/publication.mdobserved 67150df976825df3427ba534e2a4631b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:15.322022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021081/publication.txtobserved 38c6062f7cd400a81c381dd4a45d0e68...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. |
|---|