OT-2026-000021398
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000021398) never changes.
Identity and time
| Publication number | OT-2026-000021398 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-72ec-9e9a-671891b7725a · 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-2026-000021398 |
| Status | PUBLIC |
Content hashes
| Canonical text | d67cbf7c1bc1f15c0becf42896e460ed93aed58331bbc933bbe4e5d4cbe113fd |
|---|---|
| Markdown | 1fcd522380e1b1876ea90ff806a22ba92a461e9ede1cc91f6f5a54e70e2dba41 |
| Publication page | 403918820f1a4b1f0a08b0580c016be3b0ad48a81c1801634eb404a453691cfa |
| Manifest | 9fdaee8bb1638029f69185ff71992d780a19466cec03bc8cf530ebf00152f3f0 |
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 | gSoVa1eQqQ2GWsmoWySRwoL+4YPuf24lBZQ7NtmtrefdgGRxcquhoLRsf6o600Jgn/jND0eSVaCZSp5cwWGfDg== |
| 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
| 2026-09-17T11:55:17.331162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021398observed 403918820f1a4b1f0a08b0580c016be3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:17.308291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021398/manifest.jsonobserved 9fdaee8bb1638029f69185ff71992d78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.285317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021398/publication.mdobserved 1fcd522380e1b1876ea90ff806a22ba9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.261387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021398/publication.txtobserved d67cbf7c1bc1f15c0becf42896e460ed...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. |
|---|