OpenTechnical

OT-2026-000031010

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000031010) never changes.

Identity and time

Publication numberOT-2026-000031010 · never reused
Internal UUID01a0ae74-3fb7-748a-ad83-33e71901b091 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031010
StatusPUBLIC

Content hashes

Canonical textade2a3218fb3032e4ad8a6503e5bbb86ef30938a2196b11432a52a06765a5347
Markdown4c44fd6ebe2dd730cc455c8ed0347554fe2700dc9d65141c3e6b0941cdb12f39
PDF
Publication pageb09bf0bcbe636817f2c6541101cdb4a12fc867f2c1ffecb3835e6973385f0224
Manifestb95333313af86e2c40d818c8726d6a310669bd82bc221a0a48a1950384979dbc

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
SignatureSE5ojxxRHx98hBAr3ncea8USCo2+A3ryXME+Z/p5Ehlgug+1Ic++uClXUEvrUvSzntLmttPdCUHD2O8EGzePAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:05.964020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010
observed b09bf0bcbe636817f2c6541101cdb4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.947572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010/manifest.json
observed b95333313af86e2c40d818c8726d6a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.927905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010/publication.md
observed 4c44fd6ebe2dd730cc455c8ed0347554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.908838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010/publication.txt
observed ade2a3218fb3032e4ad8a6503e5bbb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.052783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010
observed b09bf0bcbe636817f2c6541101cdb4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.035085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010/manifest.json
observed b95333313af86e2c40d818c8726d6a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:35.017116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010/publication.md
observed 4c44fd6ebe2dd730cc455c8ed0347554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.994132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031010/publication.txt
observed ade2a3218fb3032e4ad8a6503e5bbb86...
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.