OpenTechnical

OT-2026-000050104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000050104) never changes.

Identity and time

Publication numberOT-2026-000050104 · never reused
Internal UUID01a0ae81-fd79-7e69-91fe-e9b0c00f5e7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050104
StatusPUBLIC

Content hashes

Canonical textda8ac7d17c64f1fa199c0ab43384f093ca6e858b3dafebe37278df7e8d48d202
Markdown6f45ab8a7bb75c22ee59030b891ae778c2cc2ea695343dd057628a378f13306a
PDF
Publication page7610ea991d36944af088d33225a216506470158b3b68f51769a89294591a1178
Manifest7e0105e7a3cb7e7849b6e6430c67b9ac5fb458d5484543c0ecf3ff206eac88b1

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
Signature6w/n5ltbiyHz7CGbhtwftXqSxJB7qG9Ceitc8O2+idMt88JeO87VDvIofcKWg2V036x3EAQl0ZlUyOW6u/BaCA==
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

2026-09-17T11:02:06.318747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050104
observed 7610ea991d36944af088d33225a21650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.300427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050104/manifest.json
observed 7e0105e7a3cb7e7849b6e6430c67b9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.281464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050104/publication.md
observed 6f45ab8a7bb75c22ee59030b891ae778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.261386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050104/publication.txt
observed da8ac7d17c64f1fa199c0ab43384f093...
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.