OT-2026-000021552
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000021552) never changes.
Identity and time
| Publication number | OT-2026-000021552 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-71c2-bec3-01e95d172ca6 · 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-2026-000021552 |
| Status | PUBLIC |
Content hashes
| Canonical text | a6c12295e6866562c4ff6d443aa07c3235eeeaec1e38556f31c4dae499e36b17 |
|---|---|
| Markdown | 4d437ec9950d658fd93637aaed640c2c77c6375558bb34aacd9c7d2c9c4756a1 |
| Publication page | f27a9b17fe668fba1667a51147ab6d30222a0d07664cb3698898eda96aef00ea |
| Manifest | cfb9bc696365289d30bce1e0637508776abf6e8e8c2f57774e8acd36bbc5a524 |
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 | 3SDKsIueTbNytKrX1o9X9dzxzVOlypBTEwcFzggI+msu1m9GvCIR+x8vJqU+FB7ICbeRJtCXrYS/fj+GsfDaAA== |
| 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
| 2026-09-17T11:55:28.439572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021552observed f27a9b17fe668fba1667a51147ab6d30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:28.421941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021552/manifest.jsonobserved cfb9bc696365289d30bce1e063750877...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.404418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021552/publication.mdobserved 4d437ec9950d658fd93637aaed640c2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.374514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021552/publication.txtobserved a6c12295e6866562c4ff6d443aa07c32...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. |
|---|