OpenTechnical

OT-2026-000095873

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000095873) never changes.

Identity and time

Publication numberOT-2026-000095873 · never reused
Internal UUID01a0ae9f-fac7-7d98-a150-e50b3831459f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095873
StatusPUBLIC

Content hashes

Canonical text27c3b995e393d63626a1bfb992a590b587fa7239afe1fbae81d31c3b1949c087
Markdown47344193de694a243991f1e586b782130f09b17c5029f1c46e43d1eb9554890b
PDF
Publication pageb5b6cccb09231b055ac0a786ccb202af680413dcbe7c968bdbeb9bae433f2c15
Manifestdb1c5ab37b993a4d2905dce96bdb186dd096baf9d9a8a61a95aaeec5578ecf37

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
SignatureUgjBPvBSKE3AS6eLuTVvFSPaB8J+16ZhE6x1XnXqhHOf1IiV1DdeALJqdRbpDs6cGEGcSL+w5Pd7KDDpbBk0Bw==
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

2026-09-17T09:35:03.414274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095873
observed b5b6cccb09231b055ac0a786ccb202af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.396550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095873/manifest.json
observed db1c5ab37b993a4d2905dce96bdb186d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.378951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095873/publication.md
observed 47344193de694a243991f1e586b78213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:03.361690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095873/publication.txt
observed 27c3b995e393d63626a1bfb992a590b5...
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.