OpenTechnical

OT-2026-000087746

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087746) never changes.

Identity and time

Publication numberOT-2026-000087746 · never reused
Internal UUID01a0ae9a-cd55-7781-8f72-da619041b2af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087746
StatusPUBLIC

Content hashes

Canonical texte087375e4cf5d11eed14877bbc94a4e646d182f926076cb5af030751f205227d
Markdownfb2cf5c218df0025da3f8b1ac1f410fb3e0bce2195600de4f680d553d83e5629
PDF
Publication pagef2d382a93ce4c3a30b8a1da8025751f330148a0b154cd3d53afa72bb1bf3a0aa
Manifest5acb54ea110a8bc58a3e0ec6b09ac2afee866c1bd6e42a0bdc510dde33a8bf26

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
SignatureuATCDHZjc4V+KyVCNhImoeRiPHaRCfP+NchM5UP3/4hgVNddTxiczYjYhVPE9ZliGDv3yZNBaCCEYsa+avi0Ag==
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

2026-09-17T09:51:12.123422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087746
observed f2d382a93ce4c3a30b8a1da8025751f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.107622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087746/manifest.json
observed 5acb54ea110a8bc58a3e0ec6b09ac2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.091843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087746/publication.md
observed fb2cf5c218df0025da3f8b1ac1f410fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.016544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087746/publication.txt
observed e087375e4cf5d11eed14877bbc94a4e6...
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.