OpenTechnical

OT-2026-000005899

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, pressure verified, 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-2026-000005899) never changes.

Identity and time

Publication numberOT-2026-000005899 · never reused
Internal UUID01a0a948-8d98-742a-9c8f-d2bdaf6212cf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:59.484452Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005899
StatusPUBLIC

Content hashes

Canonical text339c297473eebf7f829471dedf35eaaa9c89c8ccaaf78d25d83f322963fea0f8
Markdown8ed00ba3671a5fa47ffa5c5c386f57a1680a675186c96bf6192c6d4a509501d7
PDF
Publication page50f712e2b204c4928129216301d12a90acb43032a55142b660330e8c71a6812c
Manifest07b54dbd9473b94b2c293d8553c66f99bb00a537719ecd70117ab6b9bc0afb7f

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
Signature9/vjtYx/y9V4P2QTWWGNzk7liQZlpu+lR2DWLy2NruRhLndqV27BvFa/ekPFNAp6hNUe23bWK7RIPLwo5PEODg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:19.909261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005899
observed 50f712e2b204c4928129216301d12a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.893799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005899/manifest.json
observed 07b54dbd9473b94b2c293d8553c66f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.874320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005899/publication.md
observed 8ed00ba3671a5fa47ffa5c5c386f57a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.745279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005899/publication.txt
observed 339c297473eebf7f829471dedf35eaaa...
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.