OpenTechnical

OT-2026-000086160

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086160) never changes.

Identity and time

Publication numberOT-2026-000086160 · never reused
Internal UUID01a0ae99-e82c-77bf-a762-637eb0b22c0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086160
StatusPUBLIC

Content hashes

Canonical text4f345053c5771c3622d743003948593e61688234fe04885acaa38fa06e568030
Markdown4d3d99ccfb404e60ee13855ae364c1036d9ee5babe4837a2198d47e7190f004f
PDF
Publication page5a4affe12aac2384c08c1ef45b2b8bdb0d5711c3ac43d00825a4cef192101441
Manifestfca2d1b0dfa1289b650be232170fe226b2b0ab3d457026f6dedeadd61bcc820c

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
Signaturer2vAQUqsKir4Ufc2nvd37qToMVA/8mAASM76ky32P1GDbpJWrTeYUTnayeePeM+NuA45S5EvRoeXc5+9UpR6Ag==
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

2026-09-17T09:53:49.970559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086160
observed 5a4affe12aac2384c08c1ef45b2b8bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.953842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086160/manifest.json
observed fca2d1b0dfa1289b650be232170fe226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.935447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086160/publication.md
observed 4d3d99ccfb404e60ee13855ae364c103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.919056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086160/publication.txt
observed 4f345053c5771c3622d743003948593e...
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.