OpenTechnical

OT-2026-000050334

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000050334) never changes.

Identity and time

Publication numberOT-2026-000050334 · never reused
Internal UUID01a0ae82-5c47-7d68-b38d-0ca549541a2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050334
StatusPUBLIC

Content hashes

Canonical text9ceecd3aeb02b6c127943866a7dc4ece4494d234fcbf4a84b8d6cecf9fba9849
Markdown91efd336cf0d4594617480659225cbe7b6e038b8c910e53eb24395d26194b63d
PDF
Publication page3a27d3bc04a23b993e195f34a23ac0af603f1b96ce744ecc4da1af8c8b102603
Manifest2ce72bb66f5909da1f990538d35d95c1f117c9136b37c567cc2af1e1a2abb1c2

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
Signatureu1NYPJwdntv/A1xTo2H39y3abdBDGiZYJOhxZfLq8dqRYylx0fuf3Fsil+yKJd8lJFxyYOlieeiOBOwvt19DAA==
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

2026-09-17T11:01:21.645026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050334
observed 3a27d3bc04a23b993e195f34a23ac0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.628815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050334/manifest.json
observed 2ce72bb66f5909da1f990538d35d95c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.613111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050334/publication.md
observed 91efd336cf0d4594617480659225cbe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.596032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050334/publication.txt
observed 9ceecd3aeb02b6c127943866a7dc4ece...
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.