OpenTechnical

OT-2026-000038599

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038599) never changes.

Identity and time

Publication numberOT-2026-000038599 · never reused
Internal UUID01a0ae78-2d54-77c7-ab34-d2a2f8ce629a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038599
StatusPUBLIC

Content hashes

Canonical text8c9f647c17f49a82e85f511c0d593ff3413f08785fea4937dba315de4d982454
Markdowne6d59f1b423f82fd98285ee63845043e152abf5cf665b4c083fa8a24e93dc2cc
PDF
Publication page17ffe8952ac6fadaa50186b147eb15c613f8e8df1e251539d273f66bf973dc53
Manifest822630205117414c20ebc985122bf173138a7b65f03b1a4cb080a3b7bbd14e6f

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
Signaturebz4XO/Fp4j8y5FtKO/hDaahjNkRMXIost9TESSNuCP0uFN2qK8TZURkY+nkYaNi43KxdgWDvpdWdnd3YOyY4Aw==
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

2026-09-17T11:22:53.081804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038599
observed 17ffe8952ac6fadaa50186b147eb15c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.063486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038599/manifest.json
observed 822630205117414c20ebc985122bf173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.045302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038599/publication.md
observed e6d59f1b423f82fd98285ee63845043e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.026892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038599/publication.txt
observed 8c9f647c17f49a82e85f511c0d593ff3...
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.