OpenTechnical

OT-2026-000011871

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000011871) never changes.

Identity and time

Publication numberOT-2026-000011871 · never reused
Internal UUID01a0ae6d-1942-7f8a-a620-58429ab637a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011871
StatusPUBLIC

Content hashes

Canonical textad0f1d83dcfefa4731d47352266a7a8370c55c5884d8736ffd0f76c9a9c5e512
Markdownea1fcceb4e389f41162010d6a31f343e65113ed68773ecf25a7809dd2862b3b8
PDF
Publication page924d7114898531564844064a859028e0a0ffa6236880d7560ccf752d16c1a8ec
Manifestbb7095ee1ab569a936bbdc7eeb1ce00127b4ec8340fa8bc26614957cd49e8eef

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
SignaturePiFIc8lO/uRTEa2yUIyxgT1PWCBlGxWPlDnOVtHLtNe5aWOH3pJCbJXKWnf7enyTiQQ+Vxxwj6ENh7TQUNWmCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:12:37.166409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011871
observed 924d7114898531564844064a859028e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.147025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011871/manifest.json
observed bb7095ee1ab569a936bbdc7eeb1ce001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.127031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011871/publication.md
observed ea1fcceb4e389f41162010d6a31f343e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.108540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011871/publication.txt
observed ad0f1d83dcfefa4731d47352266a7a83...
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.