OpenTechnical

OT-2026-000102077

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000102077) never changes.

Identity and time

Publication numberOT-2026-000102077 · never reused
Internal UUID01a0aea4-50f2-7579-b70f-8068a5f669ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102077
StatusPUBLIC

Content hashes

Canonical textdfdd5bc7793a1ad186ca78af361433e7d603fecb5b4aa356f7436d334437d8ec
Markdownf7bb1cf09fd665ed26f809c878461400b787762907c1ef9f1997ac19edf91b5d
PDF
Publication page41e42aa24199acce47d114c96a7e5dc67c4d609ab4e895899155706d09b9f779
Manifest10bd4b769bfe3c6c242ca316f9ee87e30820551da686dd2c57853eeda1d270e5

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
SignatureATp2BvBoANq0KX7ydGldl0pQMtlQLUduDvXVO4wKTcYRl1AT5tO+OGy8whP0A8mBCsk+M/rSqBp89sHZJjD/AA==
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

2026-09-17T09:25:13.465794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102077
observed 41e42aa24199acce47d114c96a7e5dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.427739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102077/manifest.json
observed 10bd4b769bfe3c6c242ca316f9ee87e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.410238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102077/publication.md
observed f7bb1cf09fd665ed26f809c878461400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.371947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102077/publication.txt
observed dfdd5bc7793a1ad186ca78af361433e7...
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.