OpenTechnical

OT-2026-000062574

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000062574) never changes.

Identity and time

Publication numberOT-2026-000062574 · never reused
Internal UUID01a0ae8c-0ac1-719f-bb1e-897ca590cb70 · 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-2026-000062574
StatusPUBLIC

Content hashes

Canonical textc28145623899581315da225622a475944cb24b2d9e15351c5b7d2d37af5ea201
Markdown3554cdc9bcd9be8beacccc2a741c4998dd90a96cef9fa9a1fb1eec9bc1f3e805
PDF
Publication page65572e7806341ea273a3f7b81d54cc9367ee7ecb7e692c518d0748b4e1d89580
Manifestc0d0ddc37be8cae3c65c681b52181f4fa669ffd5b9cdee81c83ac4401d3dfd66

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
SignatureSegxwt+mFNtARyAlWJHbeU6dBMot99FZT/ZqYD5bf5bN2VgHfZokHBVvBj149i2CgVRRGoHyS1lQu6gXPopEAw==
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

2026-09-17T10:40:03.566740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062574
observed 65572e7806341ea273a3f7b81d54cc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.544683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062574/manifest.json
observed c0d0ddc37be8cae3c65c681b52181f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.523581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062574/publication.md
observed 3554cdc9bcd9be8beacccc2a741c4998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.501788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062574/publication.txt
observed c28145623899581315da225622a47594...
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.