OpenTechnical

OT-2026-000035208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000035208) never changes.

Identity and time

Publication numberOT-2026-000035208 · never reused
Internal UUID01a0ae76-6a1e-70eb-9d9e-f38d1f2168b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035208
StatusPUBLIC

Content hashes

Canonical textefb983646868ce8b010f3e93b97685a925c0ea3584085a6591afc46cd2983e46
Markdownc22d4fa9e4e498ae381dc4d4d883a153a0518df6f40643955b4990d813d88203
PDF
Publication page33204683c502fa679a621d00747e588426b8566ecb2bec6a6da13e26b9ac3877
Manifest1af44fa33c9f3036fb5ebd84ff3242ac992b781d5c564601f339247fee0a7eb3

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
Signature5ruH9LEGaPizBKFP3Y1M8N8tjamIRmpVOW6+awpo9zm0n9oxvO9lA25CJ33yh/sdDCDb0OBVb/qcjmLl5KtkBw==
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

2026-09-17T11:28:20.184564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035208
observed 33204683c502fa679a621d00747e5884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.167190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035208/manifest.json
observed 1af44fa33c9f3036fb5ebd84ff3242ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.149988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035208/publication.md
observed c22d4fa9e4e498ae381dc4d4d883a153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.129344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035208/publication.txt
observed efb983646868ce8b010f3e93b97685a9...
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.