OT-2026-000020253
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000020253) never changes.
Identity and time
| Publication number | OT-2026-000020253 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7be0-99e7-ad2525974cd7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020253 |
| Status | PUBLIC |
Content hashes
| Canonical text | f861a5e7f7cf7634c9d16b54804145bb6d539f8e6b5d7f5f18e4f0d40227ab5b |
|---|---|
| Markdown | aaf9f21cb2c813de01dd23c647dec8856c9179a9a59ffe86b05c3e6bb25bf38e |
| Publication page | ff089e1dd8f08ab641ae2bb363f5e8bf6ce23a1391c3d5d15355a8dbfb1c23f4 |
| Manifest | 0922ad22fefc36df2fed3ee3b3e966320ffb9258a6b728e66e7f4b1d0667fd30 |
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 | 80eGz1GnT6NOk9wo+NehnbsIcRZYzOj4+2w8UiBTfvEBWBZkPTD3JhLuKUvWBo0PeH/ltQXko5RKRt/SnhvWCg== |
| 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
| 2026-09-17T11:56:35.944328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020253observed ff089e1dd8f08ab641ae2bb363f5e8bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:35.924686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020253/manifest.jsonobserved 0922ad22fefc36df2fed3ee3b3e96632...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:35.905753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020253/publication.mdobserved aaf9f21cb2c813de01dd23c647dec885...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:35.886514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020253/publication.txtobserved f861a5e7f7cf7634c9d16b54804145bb...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. |
|---|