OpenTechnical

OT-2026-000051479

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051479) never changes.

Identity and time

Publication numberOT-2026-000051479 · never reused
Internal UUID01a0ae83-7c80-7c1e-bf64-3678c24f607b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051479
StatusPUBLIC

Content hashes

Canonical text7e54759dddd3f6dbf0383a081e677ebc7d3970e66ae48fa54ee2ed7845f45285
Markdown31a428af1c00b799cb171eec2362c2fbf099e9e33b4ec4063ca37efbffcb6d20
PDF
Publication page173bd30b0a5159e39f6a75f4efd4782d3b731993ec76f09db3cb994b9103a54d
Manifest512520c44fa2a17606b20f2371352396ecbc00089c2bb132cc0e1be35ba2cd96

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJ0hY1W/IzVGsVmZTTHOfLCZIVvGQkPzvJ9gvrWpqeZxUMha4nHB0SKBDm2s31cX4s2kxIJtG1iU0Jgwblgg9Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:12.889731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051479
observed 173bd30b0a5159e39f6a75f4efd4782d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:12.872734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051479/manifest.json
observed 512520c44fa2a17606b20f2371352396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:12.855932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051479/publication.md
observed 31a428af1c00b799cb171eec2362c2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:12.837196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051479/publication.txt
observed 7e54759dddd3f6dbf0383a081e677ebc...
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 archivePending 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 packagePending Custody packages are produced weekly.