OpenTechnical

OT-2026-000100146

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100146) never changes.

Identity and time

Publication numberOT-2026-000100146 · never reused
Internal UUID01a0aea3-3052-7d44-9b95-68c597c479ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100146
StatusPUBLIC

Content hashes

Canonical text953c49a1ecb7ed5347fc5d1448ab6ddb6f94bd1ddb702b8a851755d55d107305
Markdown82f5a63c1f2bafdbfd8564e8faebe0db2282d917a4e42a2868b3ae966ae2b5e8
PDF
Publication page1280551d15622f559c8913eb5d16eb270c69612ab3471709d7ffee1eff742342
Manifest688be07a4c359914bbe425184818e1c118148c22259fb6f7e94a1ffa4291575d

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
Signature1jACu9vIItbrCkbX+SS9UVjKQRgLzfczCOxRcvMUCJuiFv3Y6LThb+TtlQ4bAP3v1nwS6ud7aTrDd90ENW4EBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:51.075631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100146
observed 1280551d15622f559c8913eb5d16eb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.056927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100146/manifest.json
observed 688be07a4c359914bbe425184818e1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.039400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100146/publication.md
observed 82f5a63c1f2bafdbfd8564e8faebe0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.020235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100146/publication.txt
observed 953c49a1ecb7ed5347fc5d1448ab6ddb...
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.