OpenTechnical

OT-2026-000104166

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000104166) never changes.

Identity and time

Publication numberOT-2026-000104166 · never reused
Internal UUID01a0aea5-341f-7f79-acdd-51a0f0ebd3e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104166
StatusPUBLIC

Content hashes

Canonical text33c1aa29f63d4ef931123256a40b31dd60a6f6d564a09bbfdcec8b4f5a486dfd
Markdown0d3c6e3a50b7888ab2ef91592832d6b79bc884c10d1b88d7a9fe24a2c169195f
PDF
Publication pageff103855748c4b8e57183ffe02c9cd3ef05088ddfab9973763c7ba623e8837a8
Manifest866a3a846fe63845ef432e88e60d9c7cea060874cd0962f764dc8a57f18dbae6

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
SignatureW8mAYA9Tlql7uisf9sThz11FwmvMwR7yiLXkM0q06G4Ev0XoM2/GZJ7jCmzM9HvSRutdauFWfXPX72nQXE77CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:15.411592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104166
observed ff103855748c4b8e57183ffe02c9cd3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.393747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104166/manifest.json
observed 866a3a846fe63845ef432e88e60d9c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.376846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104166/publication.md
observed 0d3c6e3a50b7888ab2ef91592832d6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.359893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104166/publication.txt
observed 33c1aa29f63d4ef931123256a40b31dd...
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.