OpenTechnical

OT-2026-000029905

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000029905) never changes.

Identity and time

Publication numberOT-2026-000029905 · never reused
Internal UUID01a0ae73-ac48-794b-96a6-d79e9bad4097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029905
StatusPUBLIC

Content hashes

Canonical text8b13a8cfb49b72314bf5fdf8721a51e88ef91188d61092b5ad42bd8f020ef739
Markdown907e5ab08f5585ea5a24a912b6595221c02f7a87dbc441f82ec41160d2efc715
PDF
Publication page9f0e597af8cdf0ade11dafb2dbb5709d0e2a4d28cd52d2a98fcc0aaf94bd51f4
Manifest0582060f0f037a3e960a6acd0936de872f2b3f6246d8a110f99152eea9c042d3

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
SignatureBKcjAFGcULawrRJ3tgw8ILZZnR3S9rSUizVnp4OD4Q7qu3/HDfD/0tv6hBA14smdGo8qBGwKmXpFnsn4hAq7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:36.455109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029905
observed 9f0e597af8cdf0ade11dafb2dbb5709d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.433571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029905/manifest.json
observed 0582060f0f037a3e960a6acd0936de87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.417158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029905/publication.md
observed 907e5ab08f5585ea5a24a912b6595221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.400007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029905/publication.txt
observed 8b13a8cfb49b72314bf5fdf8721a51e8...
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.