OpenTechnical

OT-2026-000008667

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000008667) never changes.

Identity and time

Publication numberOT-2026-000008667 · never reused
Internal UUID01a0ae6a-e46b-72c9-a7c7-960e66499659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008667
StatusPUBLIC

Content hashes

Canonical text8b3527e9581e67c55c02527d99058fdf922d20ba14bfd18a9b1f1b86ab5685c5
Markdown3dc990dbd9aa992c121d650583331b61b0a2c2ca2b7795c7c3ff51ff2b8ff2d8
PDF
Publication page9020d7b26215569af5cee2b96361aa844e22238602ae9957db796483b33ed9e8
Manifestcdbdfc14193a1c16219ed9cba3f0f8c6fb3f5a20a7ffd62842c33f20413c9598

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
Signatureind5rkgdx4QegoRcViPRnQSfiC09zZLloIxc1tHx3kyt44GTU4FzJBKAZ9a/2pe4PboPUyS38bR4cqyWbGBXBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:38.917129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008667
observed 9020d7b26215569af5cee2b96361aa84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.898193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008667/manifest.json
observed cdbdfc14193a1c16219ed9cba3f0f8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.877885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008667/publication.md
observed 3dc990dbd9aa992c121d650583331b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.859047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008667/publication.txt
observed 8b3527e9581e67c55c02527d99058fdf...
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.