OpenTechnical

OT-2026-000073626

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073626) never changes.

Identity and time

Publication numberOT-2026-000073626 · never reused
Internal UUID01a0ae93-2b8c-723a-910c-3a943a5c19a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073626
StatusPUBLIC

Content hashes

Canonical text9d8b35a222cfd08fddd3481786837609e683cf5900489a718480bb26421e25f7
Markdown2defa40deea6d0e6cd5f58cb84b52b161aa9f6a31cd090c79fb4a3f093db7a35
PDF
Publication pagebcf4d02d2863553414382b8ec2c00af15aa26e278ca5a32ff64843bf40639541
Manifest1f9d352fc1136d3bbf61e8292d1e004b2df924d703fb93bbb092bc8c61dcac81

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
SignatureUtfCyrOgNTy4+W9aSrhVGqHVel9n6JUkHUnhxH7qlA3NbPyKjBbtqUnPwSI0ZMCPDeFNwNsax2iuL4wzzD5tAQ==
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

2026-09-17T10:19:40.052621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073626
observed bcf4d02d2863553414382b8ec2c00af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.033861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073626/manifest.json
observed 1f9d352fc1136d3bbf61e8292d1e004b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.015093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073626/publication.md
observed 2defa40deea6d0e6cd5f58cb84b52b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.996407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073626/publication.txt
observed 9d8b35a222cfd08fddd3481786837609...
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.