OpenTechnical

OT-2026-000100496

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100496) never changes.

Identity and time

Publication numberOT-2026-000100496 · never reused
Internal UUID01a0aea3-66f0-7bdf-9fc1-c4ba859b285e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100496
StatusPUBLIC

Content hashes

Canonical textd78749eab175313320871c5f3c6d5661db7998fa8f3022ac5fe0e2c24f74594e
Markdown2e59f35f47cff77075cc6b7f869483931c57b1bb16ac2795d5a91245843b608b
PDF
Publication page98b8e599e2680dc90706abb5f8a726d03894c95d4a3eeeaa71b86d67f11f9d77
Manifest5d4b494cd0d5fba5a8cef6a1a95e6155199924fe9690cb8448c4b07b24942bec

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
SignatureYPI0NWBGE2/9gjj9StGEd5FH+1QE1NJzBfLk2ss5xAgJWuG1+E2iLZ4d6giBb+oEXpRigKeLTghIz3ws1XCiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:15.462376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100496
observed 98b8e599e2680dc90706abb5f8a726d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.444671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100496/manifest.json
observed 5d4b494cd0d5fba5a8cef6a1a95e6155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.426749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100496/publication.md
observed 2e59f35f47cff77075cc6b7f86948393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.410220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100496/publication.txt
observed d78749eab175313320871c5f3c6d5661...
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.