OpenTechnical

OT-2026-000083256

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000083256) never changes.

Identity and time

Publication numberOT-2026-000083256 · never reused
Internal UUID01a0ae97-c963-75cb-8339-0ee63de3e09f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083256
StatusPUBLIC

Content hashes

Canonical text4b347cd41fbccb8fe493ca9699758881465b1897cab9cf078d1a0367abff56ac
Markdownd48f129a4afd5ec11d6aac04066528b5c70ea1f93ae10c0f149a8ab6126f0f88
PDF
Publication page328f2a131ac5a2a87d4f69133c5fa591dd23b9a7330f6dfae2b511baac7e91d2
Manifest5b03a4b999539cb4ea8963a4a3fd84f2245ac0b8dc66518ff70ce7cfbdb2cca5

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
Signatureo6KYP62Soo134kvGVB6Xi8/imXZCn+n0QVcW3GsakaqMKUtkiCv3MxakaobW7x1f4thaH7zmAXb1nw33JL7ZAg==
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

2026-09-17T09:01:18.424738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083256
observed 328f2a131ac5a2a87d4f69133c5fa591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:18.404278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083256/manifest.json
observed 5b03a4b999539cb4ea8963a4a3fd84f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:18.386161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083256/publication.md
observed d48f129a4afd5ec11d6aac04066528b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:18.367072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083256/publication.txt
observed 4b347cd41fbccb8fe493ca9699758881...
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.