OpenTechnical

OT-2026-000039646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039646) never changes.

Identity and time

Publication numberOT-2026-000039646 · never reused
Internal UUID01a0ae78-d8d4-7413-957f-7d81276f674a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039646
StatusPUBLIC

Content hashes

Canonical text81888f89d05eaeb504d120633edd4c85d2314562f2544c9442087589e849c0aa
Markdown90b92e5948d0feddbeb75ffaa19bbf6ac0c67ab396490238fb151757e62a810d
PDF
Publication page7d52b26c4cf2cde0b560539ffecb9139e35b6dbf25d8cca864156b50c59a68cc
Manifest07fbc3017c24a00b4996a0c569538dc6d3b54e00d76795b9e0186d6ce311d919

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
SignaturetG1O0Ff+elkzSGliqcxTjjeDiMyF96hZ+aRgDBqlPZ4kHo14xOPAtDuX0hj/qxodR/2B2h7fQOyBPnSuWDBVCQ==
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

2026-09-17T11:19:49.284856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039646
observed 7d52b26c4cf2cde0b560539ffecb9139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.267375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039646/manifest.json
observed 07fbc3017c24a00b4996a0c569538dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.248363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039646/publication.md
observed 90b92e5948d0feddbeb75ffaa19bbf6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.231262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039646/publication.txt
observed 81888f89d05eaeb504d120633edd4c85...
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.