OpenTechnical

OT-2026-000027759

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum 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-2026-000027759) never changes.

Identity and time

Publication numberOT-2026-000027759 · never reused
Internal UUID01a0ae72-a4a4-7284-b388-4cd3a89eece1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027759
StatusPUBLIC

Content hashes

Canonical text3e41b30440dc7b37818e26a69a4a309db3dfa5b9a5d7488c34bd11c65ebc2c78
Markdown7454740b1421cb4e9cb25995d75bbc536c7756b11926c38c4d503f8e2734d211
PDF
Publication page5a3901e960ae3d28132921486d0cbf5e8258fd8f2daffe3aad90313f57096ed0
Manifest5c16c5fa68292660059957959a0a130f9c8f034d06460fab7b7971714bd63621

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
Signature10h15mrEf3yXY5MBV1ng9lt3wb6ezub+Tw5lNA+x8KvA9fAG+4FzScYOtK4YWNl4jgAZ68Lf5L/qufV+Yzs/Dw==
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

2026-09-17T11:41:46.463307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027759
observed 5a3901e960ae3d28132921486d0cbf5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:46.444033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027759/manifest.json
observed 5c16c5fa68292660059957959a0a130f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:46.423144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027759/publication.md
observed 7454740b1421cb4e9cb25995d75bbc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:46.401264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027759/publication.txt
observed 3e41b30440dc7b37818e26a69a4a309d...
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.