OpenTechnical

OT-2026-000091261

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091261) never changes.

Identity and time

Publication numberOT-2026-000091261 · never reused
Internal UUID01a0ae9c-f16c-7978-915c-4cb0d81d5dde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091261
StatusPUBLIC

Content hashes

Canonical textaac77b5401735fa5c95642dbe5825c666df6d9d684576ff11d5dc7719174a52f
Markdown10fde373d5b42bffb97041eb5b72855c32032b2639d459f926a8d20e7f82ddc5
PDF
Publication paged6314ec08d496495bc51d42687ceff2c75ef9820e6c6dfbf392ca553bb22dcbb
Manifestb1503ad5ce45dfa6ed8011b15a64cbecc0a2ae863d0c8b6548138fb4a0713d8f

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
SignaturevPjzjMRI7YKx4g2o6F9+ZFEgrFd+1Q/nRR1K83tahE0vFRo/9T2aPIR9NSGqE/E3eJA3QSvUHe4rC/SIgqO2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:26.381380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091261
observed d6314ec08d496495bc51d42687ceff2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.363122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091261/manifest.json
observed b1503ad5ce45dfa6ed8011b15a64cbec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.344659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091261/publication.md
observed 10fde373d5b42bffb97041eb5b72855c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.326423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091261/publication.txt
observed aac77b5401735fa5c95642dbe5825c66...
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.