OpenTechnical

OT-2026-000068107

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000068107) never changes.

Identity and time

Publication numberOT-2026-000068107 · never reused
Internal UUID01a0ae8f-c4fe-7a4f-8876-377a0be32b1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068107
StatusPUBLIC

Content hashes

Canonical text90255b7649073593a769400911a98e8b2ebfabcc25bcac54eb823580694aeef3
Markdownaf6a65aebbb9fc1be3c4be7f37915ca632db047431d9ec3d998f32070775a351
PDF
Publication page205a418bc0d1f679bc63b9bdd38ccd58d65553e1049f64a31af147e0d9f274ae
Manifeste0ea0601e626da886ed9a0d3d399c49658b92f128af102b5fe842f49975b15ef

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
SignaturepqA0BpfuW7Cc5ZDB6WZtFPOddFq4B0+yY4f4m6yzAPQ9Blk+FiDATqhxnWar78h2R6a9o22rCus6EP2jPGZSCg==
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

2026-09-17T10:30:42.484871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068107
observed 205a418bc0d1f679bc63b9bdd38ccd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.467450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068107/manifest.json
observed e0ea0601e626da886ed9a0d3d399c496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.449874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068107/publication.md
observed af6a65aebbb9fc1be3c4be7f37915ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.430718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068107/publication.txt
observed 90255b7649073593a769400911a98e8b...
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.