OpenTechnical

OT-2026-000061013

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000061013) never changes.

Identity and time

Publication numberOT-2026-000061013 · never reused
Internal UUID01a0ae8b-12f3-7f03-9b37-130939dc7ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061013
StatusPUBLIC

Content hashes

Canonical text44b95bfde488583b93ecbc44cdfe8bd2c5026838506c978ee8788027ce6cd61b
Markdownb86a34f96f9717e07824be730c6a2f615dc4622c7152ce2cfb882f2be9058bd5
PDF
Publication page1493910acb0a946b5a52fdea06f52ac0305420160ad0aa89ee0e9a5ce27407ff
Manifestbcc70181400c7f07b1e129954261c2e56510d21832d5b22a0600fa3312891bf6

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
SignatureX0Z4miPIA9UdrrkACH3NAoYv7FLKNoXohTzFHHhoKMhNz52mty/OY+SiCC/FUxJw991pMOL5fl6qnC6+xoxGCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:18.356784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061013
observed 1493910acb0a946b5a52fdea06f52ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.339696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061013/manifest.json
observed bcc70181400c7f07b1e129954261c2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.320780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061013/publication.md
observed b86a34f96f9717e07824be730c6a2f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.302991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061013/publication.txt
observed 44b95bfde488583b93ecbc44cdfe8bd2...
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.