OpenTechnical

OT-2026-000081639

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000081639) never changes.

Identity and time

Publication numberOT-2026-000081639 · never reused
Internal UUID01a0ae97-0f72-74dc-86d7-6853d383c7d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081639
StatusPUBLIC

Content hashes

Canonical text00a206d3660f8e010d9cbf936e451ccb78e946e9515784170c19bdf2503f0cf7
Markdown46e00c76be72f75942780e4a8ceb7fb278775f14d063ce5103b063d6aeb04352
PDF
Publication page9917004506333e6f156e879cf0cea3810c290d240a3060f1512329c4781b9d2b
Manifestbc6ae5ac6b9904d0026935f8cb2d7e90183232f94b829800493fba294a23e9fc

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
SignaturehR1k2dzp/tC1HJsInryma6UWiGxQ4u9v+9FGTHryuvut9FutTBO6AjSoUU8vpFOAjqw39HVOD8liqiKBO8vFBw==
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

2026-09-17T09:59:41.373425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081639
observed 9917004506333e6f156e879cf0cea381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.357373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081639/manifest.json
observed bc6ae5ac6b9904d0026935f8cb2d7e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.340006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081639/publication.md
observed 46e00c76be72f75942780e4a8ceb7fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:41.322647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081639/publication.txt
observed 00a206d3660f8e010d9cbf936e451ccb...
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.