OpenTechnical

OT-2026-000022064

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000022064) never changes.

Identity and time

Publication numberOT-2026-000022064 · never reused
Internal UUID01a0ae6f-bb5c-7c62-a8e0-94ee449d7378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022064
StatusPUBLIC

Content hashes

Canonical textbbe686bab928ec7d4ac8fb2409b35c313a387a316671773438af52291d93871c
Markdown2b387890a7bcda99d53681926dc551657e057f344fba7532c57303d524a1c03a
PDF
Publication page8c8e10ff5a6a6905675d24bc54e8d2470fd924cc68639d7315412f426a262c5b
Manifest71b4c40f7b0799f4b5fe8461c85d0b7d4d73381581d73fbda565333523d0a28d

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
SignatureKGLSh8sQbo4pGyJYdMJXr0AzDUFFjppz1XjhWPGLK5EFtqpT1HQajJq1yWt25C8itaTchIO17HdICEOYy9D7Dw==
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

2026-09-17T11:54:45.585210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022064
observed 8c8e10ff5a6a6905675d24bc54e8d247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.565553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022064/manifest.json
observed 71b4c40f7b0799f4b5fe8461c85d0b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.544469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022064/publication.md
observed 2b387890a7bcda99d53681926dc55165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.525894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022064/publication.txt
observed bbe686bab928ec7d4ac8fb2409b35c31...
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.