OpenTechnical

OT-2026-000070989

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070989) never changes.

Identity and time

Publication numberOT-2026-000070989 · never reused
Internal UUID01a0ae91-8c2e-7453-abc6-a4140830aee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070989
StatusPUBLIC

Content hashes

Canonical text12e3249018ea98e94313e593d7be0f4c873d467b3501ec28f111d6ed86ba3af7
Markdown960298e4c3488e0ac2d131251fc8f84184260599ca42849710421c3cd4fd37e1
PDF
Publication page31c6358a8f937edf7cd3400fa8e2545dcfa01b3d68e7450487b9554cbbef442e
Manifest31fb485abca30ae3aea7dd23c9a4b3ea725f8e757acd5b41ebe213a1d3f0eb30

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
Signature7TNdmWlLuURJ/Jgw3gRM0jm0aprXMrtqGMxj0dFV3DelDfA0dPMRefoivWaKf9PxPc75UEe9QZsC3Ly2PY+DBQ==
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

2026-09-17T10:25:49.986036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070989
observed 31c6358a8f937edf7cd3400fa8e2545d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.968994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070989/manifest.json
observed 31fb485abca30ae3aea7dd23c9a4b3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.951722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070989/publication.md
observed 960298e4c3488e0ac2d131251fc8f841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.933364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070989/publication.txt
observed 12e3249018ea98e94313e593d7be0f4c...
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.