OpenTechnical

OT-2026-000035615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000035615) never changes.

Identity and time

Publication numberOT-2026-000035615 · never reused
Internal UUID01a0ae76-b4c6-79a0-b539-c5bd2a002142 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035615
StatusPUBLIC

Content hashes

Canonical textc8b779a6380ebf191aa650541247590a650b9f3617a148d9acdabb469cdaba0e
Markdown4d1ef11f8f72da17e25feb0d9ecca6196ab52d70428ab4ea7adbaa6ca95b4f22
PDF
Publication page3ffcc7b4685e15271ebf220a3aca13fa0d1c7d22b86af8495604a2fd770d57fb
Manifest193a5b19e3e98e68066eebf5535dc80306992ceedc61e4b91b500966029f1f0d

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
Signature0EYqoEwy9Tn49/tEmkEuMeMon6MRJGEADqCBnNZPSIuDM2pNa/GYwfD2GV/gXqO3QqdkTY7yltIv9Zxqs2+GCw==
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

2026-09-17T11:27:09.318750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035615
observed 3ffcc7b4685e15271ebf220a3aca13fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.300484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035615/manifest.json
observed 193a5b19e3e98e68066eebf5535dc803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.282308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035615/publication.md
observed 4d1ef11f8f72da17e25feb0d9ecca619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:09.263215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035615/publication.txt
observed c8b779a6380ebf191aa650541247590a...
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.