OpenTechnical

OT-2026-000015122

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015122) never changes.

Identity and time

Publication numberOT-2026-000015122 · never reused
Internal UUID01a0ae6d-ef47-7bcc-9602-70ed2f98c45a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015122
StatusPUBLIC

Content hashes

Canonical text68f45e564fc761069b5b8183d7fa98b663a4a9d5f646e4062f451b41bc5806c8
Markdowneb637505f1eb648910349942d4db6b675fdca2f8a96182343eef47860939e6d4
PDF
Publication page0065a809ccee22917bd525373284d6844f2047a290b6a460081a9dbb9f762099
Manifest7c0bcb74219611e891e3af96048cf6d239f0b0bbc2906f151a877454f3cd5b6d

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
SignatureW1OdeQ5lR9m6LrVethL2Naf7ln4ZFo5yGUERGBRdf7xAM8MDGl9rFfc9VAT5wv7fEcvMIXtdvDq0dcy24tCADg==
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

2026-09-17T12:05:43.038216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015122
observed 0065a809ccee22917bd525373284d684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.018581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015122/manifest.json
observed 7c0bcb74219611e891e3af96048cf6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.995736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015122/publication.md
observed eb637505f1eb648910349942d4db6b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:42.975648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015122/publication.txt
observed 68f45e564fc761069b5b8183d7fa98b6...
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.