OpenTechnical

OT-2026-000006489

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, ejector fed, contact triggered

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-2026-000006489) never changes.

Identity and time

Publication numberOT-2026-000006489 · never reused
Internal UUID01a0a95d-07bf-7a19-a371-7cae6323845e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:21.475378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006489
StatusPUBLIC

Content hashes

Canonical text6245986deed936b9cdbacd583938cbc3b9077f796c0b11aabad3f5fd977fbe00
Markdown0d4ea04edbe96c1f755aab1ab97cf4ab595f06c8aff7c710411f8f06bf83b9c5
PDF
Publication page7e4fedf39aaf40fe47fc094ee674af1c4788c8706c01675e0565b6dd7397b17f
Manifest497f6cb5dbaac367aca0a586fcbc7548a8c04605faad46c6cbbd657182584def

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
SignaturegaYf3+RxeU8HE8B7HqoMzm0KfCiXZc8SFLNdA2emDu5KIeLpM2p73I0Y4zkrnjAvRXyl8uw+jlNbCgv8GD5bCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:11.726965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006489
observed 7e4fedf39aaf40fe47fc094ee674af1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.713427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006489/manifest.json
observed 497f6cb5dbaac367aca0a586fcbc7548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.697997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006489/publication.md
observed 0d4ea04edbe96c1f755aab1ab97cf4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.683281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006489/publication.txt
observed 6245986deed936b9cdbacd583938cbc3...
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.