OpenTechnical

OT-2026-000007430

Publication integrity record

Porous face vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000007430) never changes.

Identity and time

Publication numberOT-2026-000007430 · never reused
Internal UUID01a0a97e-8321-7e65-aaf9-a4dd9eec62bd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:55.748244Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007430
StatusPUBLIC

Content hashes

Canonical text7daa2c88f4d4d12a0928943435f5c1e77803e7d0d43887482fee0c62a1f272e7
Markdown628ebfb5a76a648d81537d10cc749c6e506c197600af97054e2005d611b7b437
PDF
Publication page74674a154031a1c1c9bc09c68e7a0bf628bff2828d47325c99ddaeb586bfd0c1
Manifestf7b5a280604c777f919698ae64c325383bc04174261758c2b2682686a6776957

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
SignatureOHTMbu//K0tTKR68Y6Zww/1T1M/NET7M7qfT90sUWGa1VobDEW6PY9uGUOe+4VlgblCsk82An/OeyE/SShtGCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:05.806134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007430
observed 74674a154031a1c1c9bc09c68e7a0bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.792707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007430/manifest.json
observed f7b5a280604c777f919698ae64c32538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.780161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007430/publication.md
observed 628ebfb5a76a648d81537d10cc749c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.767511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007430/publication.txt
observed 7daa2c88f4d4d12a0928943435f5c1e7...
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.