OT-2026-000021053
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000021053) never changes.
Identity and time
| Publication number | OT-2026-000021053 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-7983-86a1-175963fca4d5 · 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-2026-000021053 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4188c5fd8f8e44cb2f30e73c7e06ee39153d1be1a84970801648ae3f6e7e2b8c |
|---|---|
| Markdown | 17ce09352d25196c30b4fc7a959da47beba8a6c6a6dd58f63ede86bdc2da8b2e |
| Publication page | 5c52a3d79259f76a650a05bdee97a9d7d37fd3957e0f435dd1a7ca1055ec7a95 |
| Manifest | ba0affe19169b7aa9df9f2f303f4069d370a41aac4bdc47f2212f542485247ed |
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 | S5Cx1LO9ImlW5XZAvFIHgxD81pe9f/6U69gkiCg+IuA6BkPLDKTZMzAVPCQ5oZ/rt+OErYCpF+00KSITuGvZAg== |
| 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
| 2026-09-17T11:56:13.286682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021053observed 5c52a3d79259f76a650a05bdee97a9d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:13.268617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021053/manifest.jsonobserved ba0affe19169b7aa9df9f2f303f4069d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:13.247003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021053/publication.mdobserved 17ce09352d25196c30b4fc7a959da47b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:13.228807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021053/publication.txtobserved 4188c5fd8f8e44cb2f30e73c7e06ee39...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. |
|---|