OpenTechnical

OT-2026-000025641

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000025641) never changes.

Identity and time

Publication numberOT-2026-000025641 · never reused
Internal UUID01a0ae71-9bc9-7b63-bfb0-7c48a4655070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025641
StatusPUBLIC

Content hashes

Canonical text00d9086738ca3c58a37f134128a1bab60b450e2d7ea0e4faf43702ad36cb91eb
Markdown3722ea28c44becda0c6b6e244420dcf25f5f4f6315da5af04e6c084a1d0b88e3
PDF
Publication page5363004e3be84266e0b076f5fb55ed1cefe1debe22f5816d06c7606831c806c5
Manifestbfd1b34b70169d64a9c9001ac7b25dbc00f82f024dcf5049a42d526f73da7c1d

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
SignatureSsU6K14Y2A+4i6dXpY8rFAqS6yIvq7os1G+dsMUxHjV0AJo9Swe6L8bL2pOgZxTPuJtBU5SEjI71jSU+aho8Dg==
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

2026-09-17T11:46:50.422111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025641
observed 5363004e3be84266e0b076f5fb55ed1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.401188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025641/manifest.json
observed bfd1b34b70169d64a9c9001ac7b25dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.384008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025641/publication.md
observed 3722ea28c44becda0c6b6e244420dcf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.364608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025641/publication.txt
observed 00d9086738ca3c58a37f134128a1bab6...
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.