OpenTechnical

OT-2026-000072691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000072691) never changes.

Identity and time

Publication numberOT-2026-000072691 · never reused
Internal UUID01a0ae92-89d9-7a79-8b8a-fdc8cfdbc77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072691
StatusPUBLIC

Content hashes

Canonical textc651a0a53e64dfcfe7992467fb2fa765afba5f4905acd8a9918b1641d3a931b0
Markdownf94f2118127d3b1220b921bbacfedf6642a4bc13206a79cff249d65635c039ff
PDF
Publication page8ddc1fe299ce8230b037945bdf16a7f089fa3b6da8b3fd44d777b57d3c78eb30
Manifest2fb628c74dcf943c7c1504bdd2c054619e0c525cb94c8653574fd74e3e04c517

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
Signature69Dvsy9jsjJUFun27wKss11/HfRjF2z/eeWQ6k0KVq0x/bYedD6sgqMWf6osBjMe+eeB5wZHVQQP0hH3p9TcDA==
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

2026-09-17T10:22:34.811310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072691
observed 8ddc1fe299ce8230b037945bdf16a7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:34.793166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072691/manifest.json
observed 2fb628c74dcf943c7c1504bdd2c05461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:34.775442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072691/publication.md
observed f94f2118127d3b1220b921bbacfedf66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:34.756940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072691/publication.txt
observed c651a0a53e64dfcfe7992467fb2fa765...
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.