OpenTechnical

OT-2026-000010040

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, vented after 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-2026-000010040) never changes.

Identity and time

Publication numberOT-2026-000010040 · never reused
Internal UUID01a0ae6b-cb79-7938-86dd-f3407c6584ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010040
StatusPUBLIC

Content hashes

Canonical text639fc60841f49484d014260d60015bce45fd6013447e954f6f400deb748a324e
Markdown69e97a529b73de5697375e1928e3331068f920f2e8a474fb4ca361f32521bc6c
PDF
Publication page1b160a19c2f09eafceb5733e442b9632364af39e491d08ff1eb6c7ade6530bf8
Manifestd408569b1f91149efd7b49a41666f788a0fb6a4100df3ecdfa18cb934452aa5f

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
SignatureQy68XQVOYMJUG6wc+9YCKiHl0DAb9Qt+y143pzwG2LCj3S4c34P7JUPaWF18EgJkijT6hNyp7VC46Obgd028Bg==
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

2026-09-17T12:16:06.327002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010040
observed 1b160a19c2f09eafceb5733e442b9632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.309349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010040/manifest.json
observed d408569b1f91149efd7b49a41666f788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.290536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010040/publication.md
observed 69e97a529b73de5697375e1928e33310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:06.269992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010040/publication.txt
observed 639fc60841f49484d014260d60015bce...
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.