OpenTechnical

OT-2026-000067143

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000067143) never changes.

Identity and time

Publication numberOT-2026-000067143 · never reused
Internal UUID01a0ae8f-14ff-74aa-b51d-8e210c9615af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067143
StatusPUBLIC

Content hashes

Canonical text853a9a7020184b239ca06b46112295bfb4a4b46b7a4aeac4edd06b17c7ec2679
Markdown4e361f345e92a1f3d35bdb77c609050d863f6fc1b7195735e3128ba96398f8b3
PDF
Publication pagef94352e6c93e781fe02739370450ce1136da158e52abd691450fc3f2fd4f0e26
Manifestba1cfcdb87278511ee53d55cdd21ce1fa0ceac153ce92ee862ecb8bbc3d9660f

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
Signature1gqH0A4ZFKjQ43aRbw3VTiXIBQQIEcdCb+KZniMl0aFxTQSJLfIk0R3DoPOOu/9vzMnbDmb1f2M8J+Q+kWH3CQ==
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

2026-09-17T10:32:25.234382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067143
observed f94352e6c93e781fe02739370450ce11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.215554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067143/manifest.json
observed ba1cfcdb87278511ee53d55cdd21ce1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.198738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067143/publication.md
observed 4e361f345e92a1f3d35bdb77c609050d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.179571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067143/publication.txt
observed 853a9a7020184b239ca06b46112295bf...
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.