OpenTechnical

OT-2026-000089584

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000089584) never changes.

Identity and time

Publication numberOT-2026-000089584 · never reused
Internal UUID01a0ae9c-1a21-7d2f-b852-dd70e88ea868 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089584
StatusPUBLIC

Content hashes

Canonical text8b8fbd2e99669df418679cadf31f2685a7e4e3d94c335d1844ea016094a2a0ba
Markdownb1b9339522390d0f25f8e0c21c729cad7a27727e7813787461e08777b621b1d5
PDF
Publication page2f9338e5dfa84b0069863f0f1c11e3602cb09b2db41e0fe547b8b8ea55e78525
Manifest940cf715df2bc53612e445e6bddcec71b7939ab38ba0d4807fad0ec26810b38e

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
SignatureMY4TSiOHmnaNJLFlGSjYec2a68ioOCw3Gs+M+qUfsUBN51PC1AKCavqzNb5f0vkhX2DcaQTRgs0HcSeyaW1sBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:33.504896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089584
observed 2f9338e5dfa84b0069863f0f1c11e360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.487874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089584/manifest.json
observed 940cf715df2bc53612e445e6bddcec71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.470025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089584/publication.md
observed b1b9339522390d0f25f8e0c21c729cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.451300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089584/publication.txt
observed 8b8fbd2e99669df418679cadf31f2685...
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.