OpenTechnical

OT-2026-000012645

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000012645) never changes.

Identity and time

Publication numberOT-2026-000012645 · never reused
Internal UUID01a0ae6d-5561-7ee3-92d0-4750bba5e534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012645
StatusPUBLIC

Content hashes

Canonical text2a56f349ccda9da913079bec8baeb94cba1a4c183e6305e91123f688491f1a4f
Markdownc66f4c1c0e9bac1308a325762bb7ac05d9f3bc1e5afa0973271664a3ae352470
PDF
Publication page2ca205712216db1db594a0898d695de16c9ff4e1998e38fb826c45b10f17911f
Manifest8c083db98cba1b1fe3eefa59b6d7dac8eec0fe208bc4e90b180cdeac13feea3d

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
Signature9kKxb0SCw2l66jwtsl4sJ6z6WWGLiBA+Bk29nZT2aCWG+wTEcTnQqixd2naFa0xvct6FPlqd1MnED+kaLWPwAQ==
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

2026-09-17T12:10:16.615291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012645
observed 2ca205712216db1db594a0898d695de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.595131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012645/manifest.json
observed 8c083db98cba1b1fe3eefa59b6d7dac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.573410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012645/publication.md
observed c66f4c1c0e9bac1308a325762bb7ac05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.552374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012645/publication.txt
observed 2a56f349ccda9da913079bec8baeb94c...
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.