OpenTechnical

OT-2026-000072371

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000072371) never changes.

Identity and time

Publication numberOT-2026-000072371 · never reused
Internal UUID01a0ae92-47c3-7927-905c-4a8568e10ae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072371
StatusPUBLIC

Content hashes

Canonical texta7bf4bbac47b8b0ccd3f5f92b3917439917cdd074a8b8162dc2fece5b9d2543e
Markdown17d96f2ba6411d2b166efd9875e7db15fb745c4b3d8de5e57cb8fe913149ed04
PDF
Publication page360e23fe4cab825fe2184970eff7f840462a56c237f92038500e7395f392c772
Manifest2d6c8af67d951e65e481b4e6e442d2480f7fd31f808b6d199f8ae5af9084287f

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
Signature8VitNycoC50zC3bSEafNx6vhF915M4SxOR62R9hHTSK80JTLucOZGEp4bm2mo0dqAjBhhkSo7mOf4w7qayS2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:36.474342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072371
observed 360e23fe4cab825fe2184970eff7f840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.455995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072371/manifest.json
observed 2d6c8af67d951e65e481b4e6e442d248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.438347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072371/publication.md
observed 17d96f2ba6411d2b166efd9875e7db15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.420289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072371/publication.txt
observed a7bf4bbac47b8b0ccd3f5f92b3917439...
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.