OpenTechnical

OT-2026-000006345

Publication integrity record

Porous face vacuum gripper, four outlet manifold, ejector fed, contact triggered

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-2026-000006345) never changes.

Identity and time

Publication numberOT-2026-000006345 · never reused
Internal UUID01a0a957-c0ef-740b-9c99-01e49a29475e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:35.667424Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006345
StatusPUBLIC

Content hashes

Canonical text2de670119ba4996cc729ce39295df2e78a3c51a36e2ccb035ea872212d7d88b8
Markdown50429af7cfbe5c0fa6ed4982106aa610dcfc8e1f08d2514e158219144261f62f
PDF
Publication page7f35edd103863c71fd5a58b4eff8b02698c81a7bc9b0f3986536a9e452d93ca8
Manifest4062569fa2763ce791651e558de5c382112c8f4fac866fdda607420bbbc1a476

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
SignatureFt3jmhB+g+zlgRGyIOH36oOEPCaPJZWYeHaxdNli0VVDkH3vfRuf4dhpM6RDF8DVkp2yuxDL3S078Z16P1ArBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:28.886530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006345
observed 7f35edd103863c71fd5a58b4eff8b026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.748026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006345/manifest.json
observed 4062569fa2763ce791651e558de5c382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.734691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006345/publication.md
observed 50429af7cfbe5c0fa6ed4982106aa610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.721904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006345/publication.txt
observed 2de670119ba4996cc729ce39295df2e7...
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.