OpenTechnical

OT-2026-000007684

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000007684) never changes.

Identity and time

Publication numberOT-2026-000007684 · never reused
Internal UUID01a0ae62-76bd-73df-82b4-850fb0d858a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007684
StatusPUBLIC

Content hashes

Canonical text9e9a188b2e9d282c07ad9c2b3c2f1ed1f886d4e4d1124c5377dc05149c1dc52b
Markdownbfab85a536c5e3df3c615ace6adbb7c865d324fc1b801f424aab50990a4d05a2
PDF
Publication page575f9c4d8b0918e9b16e465df55f0e90dcc4a400a9503ad95473a4dc69e99349
Manifest210d569573701b024d852a2fdc1be7f59d9c76c056497b8be98914dc5de77d13

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
SignaturepmpdxkgJ5u/NcVbOHZm98wSbwoKGjxciutN4ASnfvVsaYtivNqe0JazH4mNaAnDNC1TlOW5uUaw8h05jEh/nAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:18.732042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007684
observed 575f9c4d8b0918e9b16e465df55f0e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.712489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007684/manifest.json
observed 210d569573701b024d852a2fdc1be7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.694933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007684/publication.md
observed bfab85a536c5e3df3c615ace6adbb7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.670419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007684/publication.txt
observed 9e9a188b2e9d282c07ad9c2b3c2f1ed1...
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.