OpenTechnical

OT-2026-000008617

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, vented after 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-2026-000008617) never changes.

Identity and time

Publication numberOT-2026-000008617 · never reused
Internal UUID01a0ae6a-e46b-73ea-97b1-ff4b70caee02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008617
StatusPUBLIC

Content hashes

Canonical text24503843afee7d8d8085913a341aa94672f67aa4f1b36c5f853cc3d28ddef439
Markdown8d6ab78e773be5012a1a9fc17d2b50a098482ac52c42d751260b20de24a1ee9e
PDF
Publication pagee36c3509c4f608e666d56222f1deda41238b254d74bbc567a43efdb8b33946fa
Manifest3fd05f6ee54e676d2fba79005ae18a4fe671dd97f60eccba5d8ca6639726df28

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
SignatureR+DS7gW4tgL1/scacoznbXoAcJe9g1iYFHY07T+ek6tXpLnelbvwqVkFOCYV4VKYKfls2ok7OuoMmaFtvHwwCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:34.613795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008617
observed e36c3509c4f608e666d56222f1deda41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.592387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008617/manifest.json
observed 3fd05f6ee54e676d2fba79005ae18a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.572571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008617/publication.md
observed 8d6ab78e773be5012a1a9fc17d2b50a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.553494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008617/publication.txt
observed 24503843afee7d8d8085913a341aa946...
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.