OpenTechnical

OT-2026-000007063

Publication integrity record

Porous face vacuum gripper, four zone face, pump fed, sustained 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-2026-000007063) never changes.

Identity and time

Publication numberOT-2026-000007063 · never reused
Internal UUID01a0a971-4b19-72a8-a8c3-38beae7a69cb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:29.436435Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007063
StatusPUBLIC

Content hashes

Canonical text8bb273809095bf14673247545ae0b4a1bcfbce41e5e6c245c069ba1df9b9eac5
Markdownf6ff26019a344fcd68b1788d90cb7510c06c285c12373f3f4d19e49789003ab0
PDF
Publication page5c8fbd0013ddba5b2b11ece9eb231b042ec9d8c014307eb0cf5d3d82b1980240
Manifesteaa350e0a00bb5a5bc6e705abcd8aed79907d55d30297b9e7f5a7225ab243b3c

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
SignatureBJp51GPtGvjxAzlPAi9nX0hGH0Whh7MTYLPcBO/aWYlLCdXfq15ClUl2deKj0UaCqHnVC53qblIuKv7diUfZBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:05.989041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007063
observed 5c8fbd0013ddba5b2b11ece9eb231b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.976611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007063/manifest.json
observed eaa350e0a00bb5a5bc6e705abcd8aed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.963471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007063/publication.md
observed f6ff26019a344fcd68b1788d90cb7510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.951285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007063/publication.txt
observed 8bb273809095bf14673247545ae0b4a1...
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.