OpenTechnical

OT-2026-000077696

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after 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-2026-000077696) never changes.

Identity and time

Publication numberOT-2026-000077696 · never reused
Internal UUID01a0ae95-2ecf-7c57-878c-fe9393019d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077696
StatusPUBLIC

Content hashes

Canonical texta46b2f18cb5939c5a13aea9148462f73a60987fca64cb3010d939f6a8b13d8c3
Markdown5bb1d8134954d26f6f9421c871310f0d4e3a667a5d7ad7967f7cbdfc180964bb
PDF
Publication page171b2a8d7884bdd5aa88995377bf06d9c1ac1b5d333b761f499ae91ac6d933b0
Manifestd871bf6e519ba9240999c753f4cd43f6141d0abccdbc040ee324e84a7a5cd2ef

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
SignatureJNP3r60wHtXhk+XTNKwQm2MqV5wGlhIH4F6HI6SNQjdSUHizbRtE43vZhW3QdAZElsy3zSkvuzn8Au1DhXd0AQ==
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

2026-09-17T10:07:16.143517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077696
observed 171b2a8d7884bdd5aa88995377bf06d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.126128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077696/manifest.json
observed d871bf6e519ba9240999c753f4cd43f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.107398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077696/publication.md
observed 5bb1d8134954d26f6f9421c871310f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.088213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077696/publication.txt
observed a46b2f18cb5939c5a13aea9148462f73...
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.