OpenTechnical

OT-2026-000063406

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000063406) never changes.

Identity and time

Publication numberOT-2026-000063406 · never reused
Internal UUID01a0ae8c-f944-7bae-b6ed-abb16ff49922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063406
StatusPUBLIC

Content hashes

Canonical texta921a150b2558c1b34d0749d5620a997df315c5c9f0e0e88e6569d8c21be1644
Markdownfa0b3a23886480db762102a1318d77e6f9bad6d6a50b5feb88c41bd25322c8b3
PDF
Publication paged91a55bb261c1f4870ddc1c20753faf7b3b8b91676e4196a78d67e70d9b01fa6
Manifestb13a52455701dc2d61984b2f6328e15dbadc8518c2893e468fb16b73241163f5

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
SignatureIW3SUHWOj4QDzdV7DyxT0XMpPA7wgrbtnB3LaGVKgXvmWKxW5OWWAfdo+UAgWXWe5CWwxGfMpu1o/PaPzELMDw==
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

2026-09-17T10:37:19.520453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063406
observed d91a55bb261c1f4870ddc1c20753faf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.503989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063406/manifest.json
observed b13a52455701dc2d61984b2f6328e15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.486116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063406/publication.md
observed fa0b3a23886480db762102a1318d77e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.469660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063406/publication.txt
observed a921a150b2558c1b34d0749d5620a997...
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.