OpenTechnical

OT-2026-000054387

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054387) never changes.

Identity and time

Publication numberOT-2026-000054387 · never reused
Internal UUID01a0ae85-b3aa-7722-ac0d-c86364eda306 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054387
StatusPUBLIC

Content hashes

Canonical textf72867ee3bad3ff670794f11132ec402a22e54e1b6dec245392b49b01deb33d9
Markdownf00f6fe81fac8ffd3efa0f47ddfd88e81fbb13a20f1a4d2f58989eda918465c1
PDF
Publication page591f08c7b5ef1c9c7a65b5f5c12e01916b4c2ffc0f79157ae6a9983abc23abe9
Manifestc8e6edd2260e1bcb79ea18f6310a3c04b01ca1b5b4ba15bb70caa765d067ade7

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
SignaturedHuD9grnDy2eyO05p31Oxxmkj2klnnq8SUoz9w9fz1x1kVhi6gM+0Ag3Rm9dkg0PCdw/IvCl3tCq6a8j0nCkAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:55.439967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054387
observed 591f08c7b5ef1c9c7a65b5f5c12e0191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.418985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054387/manifest.json
observed c8e6edd2260e1bcb79ea18f6310a3c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.401234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054387/publication.md
observed f00f6fe81fac8ffd3efa0f47ddfd88e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:55.380546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054387/publication.txt
observed f72867ee3bad3ff670794f11132ec402...
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.