OpenTechnical

OT-2026-000098438

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000098438) never changes.

Identity and time

Publication numberOT-2026-000098438 · never reused
Internal UUID01a0aea1-e965-79a6-8756-1310bfa764f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098438
StatusPUBLIC

Content hashes

Canonical text6bf32bd01a4b8211c101c94ea6f36a4ca1f83ed3a449e0f33c768185269369fb
Markdownc64ffa7e20ba4c21214e020174cdcf1f8eedffe7d0bcc012c40e29b73a16d92f
PDF
Publication page7896a8658ab67109fc06af0cdffad1ca538a08917d4fb774ddb83f0b61a90af0
Manifest2cb076215a039b307eee6f7dd4ef761970f959c25a103aded4858ca9f1fcb8cb

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
SignatureYCVHtxU2XhD0Bw7vBs2L0dIY+oxgylMzbpEaZ7jbhPSD4R2yb2VZsecgmR+SQ+wrd3wRj12xd+Xzz1+CJG5mDw==
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

2026-09-17T09:32:17.666555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098438
observed 7896a8658ab67109fc06af0cdffad1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:17.649650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098438/manifest.json
observed 2cb076215a039b307eee6f7dd4ef7619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:17.632631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098438/publication.md
observed c64ffa7e20ba4c21214e020174cdcf1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:17.614522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098438/publication.txt
observed 6bf32bd01a4b8211c101c94ea6f36a4c...
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.