OT-2026-000021500
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000021500) never changes.
Identity and time
| Publication number | OT-2026-000021500 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7533-9089-0bbe80b513f4 · 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-2026-000021500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8236b38d9c7da8d5e9f9bd80c909d9cbf44c948d07cbef8d9124919e62935be8 |
|---|---|
| Markdown | a499d336e6c312081288b6a5d0357ccfc26b486840cf3364b5d13f9845530b50 |
| Publication page | c7469417f8a7886d297f5eced0d0a2d3e4f205685e381d5bee7457bab2aeddc6 |
| Manifest | 114b54686beeeeb7fa9972cefdbaa19d58cc9528c16f19abb772c931e158a82c |
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 | eKEmuPdNuGqO60LFxWGP7B5leIO5L7WI+4MTSuB9gE7vNHhdGJVAxG2q9NDvXzFscg1aASDz1IVsrIu5o13oBw== |
| 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
| 2026-09-17T11:55:25.017456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021500observed c7469417f8a7886d297f5eced0d0a2d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.000110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021500/manifest.jsonobserved 114b54686beeeeb7fa9972cefdbaa19d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.982928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021500/publication.mdobserved a499d336e6c312081288b6a5d0357ccf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.963010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021500/publication.txtobserved 8236b38d9c7da8d5e9f9bd80c909d9cb...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. |
|---|