OpenTechnical

OT-2026-000087496

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000087496) never changes.

Identity and time

Publication numberOT-2026-000087496 · never reused
Internal UUID01a0ae9a-cd51-7f42-a42a-4bef2d710966 · 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-2026-000087496
StatusPUBLIC

Content hashes

Canonical text8fbcc0e1070f1891586a2eadaecd8610d54cb7533452e39346a606406f2bd59d
Markdownee0defdcc6b30fec87157bb2b09fa3c8a226b89f6710d1ecef37ebcd4e7064cd
PDF
Publication page93ba4572f3832e0bf176596784a54c17110b13ca0b3410e6aefa96a25991ffda
Manifest00a0b6915bd6086098622f86b915efae31a9771be09b524f4dda76f18cf305ba

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
SignatureYkxI9d6wKxvyHm3cA8xHCYT0UlzvLnFUi+ez/r4z2ExQUlXg69n27sOVS81xla4/8S7MrB0oStFQX0fXTMjxAA==
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

2026-09-17T09:50:49.667068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087496
observed 93ba4572f3832e0bf176596784a54c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:49.648641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087496/manifest.json
observed 00a0b6915bd6086098622f86b915efae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:49.630716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087496/publication.md
observed ee0defdcc6b30fec87157bb2b09fa3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:49.613270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087496/publication.txt
observed 8fbcc0e1070f1891586a2eadaecd8610...
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.