OpenTechnical

OT-2026-000013630

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000013630) never changes.

Identity and time

Publication numberOT-2026-000013630 · never reused
Internal UUID01a0ae6d-8de8-7e15-9531-5c5dde30e24a · 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-2026-000013630
StatusPUBLIC

Content hashes

Canonical text4571e5486f922f47885b50312cf919f5829dddca89bc09f988eeb32102d7c06d
Markdowne4c634497c72aec565fc38b107bb2f5d9d704bd5f5c0e5738c0d02f8b03a9cb7
PDF
Publication pageb49e7018dd12eb211f41a75a29bae087e7fdc144e2592d6be7d6bdd74ba81df1
Manifestca049ac8ddb4e096c0cf8d9f013652d163c6a1d66bdce7d38d1c9602eb387d68

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
SignaturedQVniaifcfNb9PHG6Dm7cSshvFL457KRMH3qerojNHys8Vvqp+Vrk+IGOuKPxZPynA+9icutdfzrTNktcqAvBQ==
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

2026-09-17T12:10:32.779223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630
observed b49e7018dd12eb211f41a75a29bae087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.759219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630/manifest.json
observed ca049ac8ddb4e096c0cf8d9f013652d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.739545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630/publication.md
observed e4c634497c72aec565fc38b107bb2f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.722665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630/publication.txt
observed 4571e5486f922f47885b50312cf919f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.807021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630
observed b49e7018dd12eb211f41a75a29bae087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.787803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630/manifest.json
observed ca049ac8ddb4e096c0cf8d9f013652d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.768763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630/publication.md
observed e4c634497c72aec565fc38b107bb2f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.748584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013630/publication.txt
observed 4571e5486f922f47885b50312cf919f5...
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.