OpenTechnical

OT-2026-000039530

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000039530) never changes.

Identity and time

Publication numberOT-2026-000039530 · never reused
Internal UUID01a0ae78-d8d3-7548-85b6-681c0760eb6c · 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-2026-000039530
StatusPUBLIC

Content hashes

Canonical textcc0dc821c25fdc5174f2d9ed730c05ff917dac528414ad73404e9fff93be0461
Markdown6b3f6dbed6798d6430b93556d8ec11695833bc6987747a5ca8c88b6cb1e8be66
PDF
Publication pagef6a03f0dac6fb71c3a24371644f7f1d4ca912abe54238a3313a1253943e0c237
Manifest3d07d256c0415b64b1efead36ce4b14559e088cdc43dc841981bdd0eb651c860

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
SignaturekN9Y0S8dbSWFZw/kwWaHLfTFBV1Qfu8Kcomm8uxV1Q3n3bugB9xpV7shZp2uCE/ld1ccHgMSWol+aCTjK4myAQ==
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

2026-09-17T11:19:40.396399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039530
observed f6a03f0dac6fb71c3a24371644f7f1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:40.378885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039530/manifest.json
observed 3d07d256c0415b64b1efead36ce4b145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:40.361262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039530/publication.md
observed 6b3f6dbed6798d6430b93556d8ec1169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:40.345120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039530/publication.txt
observed cc0dc821c25fdc5174f2d9ed730c05ff...
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.