OpenTechnical

OT-2026-000062630

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000062630) never changes.

Identity and time

Publication numberOT-2026-000062630 · never reused
Internal UUID01a0ae8c-0ac1-769a-85af-96ae703845e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062630
StatusPUBLIC

Content hashes

Canonical textc1360dc364d0c101d6a5c43c40c20b3fe0cdeea1e3a6196f733a99431d8b0e5c
Markdown4dfef421d15050499aa6a0a11e278b7f995d6139e8e8b3fbea605cde81e1970d
PDF
Publication page444f0cd17f21f83dd203d1c4458eb8c2ae552af888d28ed3c2a9757fcf8b4750
Manifest9ba2731c14459544325994955ad7b17c89fb2fa4942c42eeabbd621d77d4ce87

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
SignaturedvrbQfVAuw1kRJUcexEibfsQJk/IwRAKAnJoiSWiD3BroyVJTu2lqQZQNG0Fjv22gcj1Y8N3AkYA76blVpzgBw==
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

2026-09-17T10:40:08.590544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062630
observed 444f0cd17f21f83dd203d1c4458eb8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.568667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062630/manifest.json
observed 9ba2731c14459544325994955ad7b17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.546844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062630/publication.md
observed 4dfef421d15050499aa6a0a11e278b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.526026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062630/publication.txt
observed c1360dc364d0c101d6a5c43c40c20b3f...
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.