OpenTechnical

OT-2026-000085103

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000085103) never changes.

Identity and time

Publication numberOT-2026-000085103 · never reused
Internal UUID01a0ae99-43b9-7355-bf58-cf0c9fc89964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085103
StatusPUBLIC

Content hashes

Canonical texta7d30c806b1b408a56e8a5c89eb0e861ce9d8a638c462de196fed409c37b92e1
Markdown945fa074e72fdcb0d0a53a235cde9680efa2b2667d26add774eda1447f3845da
PDF
Publication page568855eb269736a04bde983e8ccd6e01ca7eb7f5fdce2c2bc117a1bd5f4a9cf1
Manifestabff0ffe801019276d9ec25228aa553f4c42718926a7a4559616b76db5775d13

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
SignaturedzBEf9ESQFOeBtHh3pkFjrMB9wacYUVnZRmurqn5Qv7CewqXYEzFlIH6d8RbRx9pAU5MfsAX+JQE39LMsDpKCQ==
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

2026-09-17T09:55:10.267873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085103
observed 568855eb269736a04bde983e8ccd6e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.252118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085103/manifest.json
observed abff0ffe801019276d9ec25228aa553f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.234878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085103/publication.md
observed 945fa074e72fdcb0d0a53a235cde9680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.216510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085103/publication.txt
observed a7d30c806b1b408a56e8a5c89eb0e861...
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.