OpenTechnical

OT-2026-000072673

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000072673) never changes.

Identity and time

Publication numberOT-2026-000072673 · never reused
Internal UUID01a0ae92-89d9-71a7-b382-8eb10ba5a2b8 · 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-2026-000072673
StatusPUBLIC

Content hashes

Canonical textdcf3fdf40c33e723315594e1d2a096a2c3908c8bafedfa54fd68fc234382cbe2
Markdown56070bbe347362aad3f1090a6e36b32334aecb39d625354a13464e5f0f5927f2
PDF
Publication pagef1b15515d1b01e64f1e38419312e6deee629228194f20edc88e69ec1496d5238
Manifest82683309879401b8d3a9cff44d07e8e339da327d420b03cb64354422467ac997

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
SignaturepvMIdzJ1Js5aLNPH6wv4zYhZNPUybk651BTDKTMA+6P1rJrhDwnmKZUug6SSh+bW2xGzu/jD2ZcegA2L5rB2Bg==
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

2026-09-17T10:22:32.442647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072673
observed f1b15515d1b01e64f1e38419312e6dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.424631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072673/manifest.json
observed 82683309879401b8d3a9cff44d07e8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.407900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072673/publication.md
observed 56070bbe347362aad3f1090a6e36b323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.392171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072673/publication.txt
observed dcf3fdf40c33e723315594e1d2a096a2...
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.