OT-2026-000028297
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000028297) never changes.
Identity and time
| Publication number | OT-2026-000028297 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-78db-8956-57d64baccb2a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028297 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9496a5fa145d95476915459b641869d5814354a61860b165bc4c4229c2fd047 |
|---|---|
| Markdown | a949d7a5ef127de90cc6f0e72e062eb5fea10632a9e1a40d0f565d4692d03eb5 |
| Publication page | dd1c258dc36b16861e27b4929524cb66d462905731841b0ca77bfddee5603df3 |
| Manifest | c2258630edf3851720a49172f33d10d09b4733000f9c484ed79c91ac4b513e7a |
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 | vIpDRQPzYFEygfJGxS3XkCCFx/3C17Xo8Haq6V94oj1oiWojueR2dbPf26crWnaTFLWARppkIF8DqGqp4Dx7AA== |
| 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
| 2026-09-17T11:40:17.192406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028297observed dd1c258dc36b16861e27b4929524cb66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.172421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028297/manifest.jsonobserved c2258630edf3851720a49172f33d10d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.150109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028297/publication.mdobserved a949d7a5ef127de90cc6f0e72e062eb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.128283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028297/publication.txtobserved c9496a5fa145d95476915459b641869d...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. |
|---|