OpenTechnical

OT-2026-000013642

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000013642) never changes.

Identity and time

Publication numberOT-2026-000013642 · never reused
Internal UUID01a0ae6d-8de8-74b7-ac3b-53ee7335dd8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013642
StatusPUBLIC

Content hashes

Canonical text3b8cfde61b3a2cde5b7365804d7f2c408bf5d6fa3aa201ef66bf3cab078c3aa0
Markdown50f7320c7d30f6e62270fd6ad11d3c71d8799a5ac0d111c81729f3b86eba3bcd
PDF
Publication page1ccd83067176518314187e54c2434af0d717cdf45fade905e450ff42882379b9
Manifest37de171e87406fb9352b304be8587b7232a4627e1235780e7518c029ce1dedd1

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
SignaturefjM4CsCtR/zKi2grMuG3sa8E7FG7uBhCKLsJmcTerGCzBjnMJPFUG2i1HOR9CIBRF0hwN5NfNQcE7Tf9Ocv9AA==
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

2026-09-17T12:08:34.667901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013642
observed 1ccd83067176518314187e54c2434af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.649233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013642/manifest.json
observed 37de171e87406fb9352b304be8587b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.631839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013642/publication.md
observed 50f7320c7d30f6e62270fd6ad11d3c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.614425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013642/publication.txt
observed 3b8cfde61b3a2cde5b7365804d7f2c40...
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.