OpenTechnical

OT-2026-000071798

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000071798) never changes.

Identity and time

Publication numberOT-2026-000071798 · never reused
Internal UUID01a0ae92-1e92-7859-8ebf-4f556d1c177c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071798
StatusPUBLIC

Content hashes

Canonical text89da29e45acf097799183c7dc2b9e230fe8eed6e4615941465e6940fe3e10dab
Markdown7e2f1caea641b29554485028455f4cf4f37d64781666327e7d9419835c451b41
PDF
Publication pagec389ed20d5173e542fc59472449806d73dc7cd4dc72be4834b0368a1b35e9b98
Manifest970127bf8e3b9494780b2672576cf755b98c325037f0ad47ea4dd95513ec1f7f

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
SignaturevSaRDZi3Zu7Pv7uS80QqCRLi7tAqshIDcDtF7H3w84WVuRD3dnznKXOdIel3t5omGb0JAWe/hxlC13uCjRg5AA==
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

2026-09-17T10:23:57.981936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071798
observed c389ed20d5173e542fc59472449806d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.964150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071798/manifest.json
observed 970127bf8e3b9494780b2672576cf755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.946772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071798/publication.md
observed 7e2f1caea641b29554485028455f4cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.929107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071798/publication.txt
observed 89da29e45acf097799183c7dc2b9e230...
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.