OpenTechnical

OT-2026-000098540

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000098540) never changes.

Identity and time

Publication numberOT-2026-000098540 · never reused
Internal UUID01a0aea1-e966-7826-b3e3-cb7634800c7d · 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-2026-000098540
StatusPUBLIC

Content hashes

Canonical text7572a4fa7ea09930d72538e3423b9f3d9df07fab9768c2927a52eb298559fc86
Markdown073e83c75288ef966b8a167594044551da69fe1747fe90f54023ce959bc51fed
PDF
Publication page56f4b67f0107df2b750a3d76608a0e216ccff157215507d7ab8035fcd045702f
Manifesta9156cc9aa0ffb412ac0e4088c1b81cc39f3f30ca6bfc33f3eddd9adb9fe4560

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
SignaturehZU6UNPJtYzZW5CyuMAflxZzaa3L5oVzGl0Qhha15CpPVGJFQtqTU2b/y0YA1emiPkdp65M+3sVeLxJ8HX5bCg==
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

2026-09-17T09:32:25.229309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098540
observed 56f4b67f0107df2b750a3d76608a0e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.214016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098540/manifest.json
observed a9156cc9aa0ffb412ac0e4088c1b81cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.197483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098540/publication.md
observed 073e83c75288ef966b8a167594044551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.180056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098540/publication.txt
observed 7572a4fa7ea09930d72538e3423b9f3d...
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.