OpenTechnical

OT-2026-000100233

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100233) never changes.

Identity and time

Publication numberOT-2026-000100233 · never reused
Internal UUID01a0aea3-3053-7ccc-9ff6-51ede683cab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100233
StatusPUBLIC

Content hashes

Canonical text7bf63a88c30e6a2a25b51463cd51a7475490770c049156602d8f130dea6d11a2
Markdown0969da9a75017592952d31682b30ec5902f7010042af29eea3fffe890f10b543
PDF
Publication page1947efa90e6fa17d4cefaabf1dab710eb53cfdb928951f1475098bfd0151a6de
Manifestefc5058e96dea0b7ff3bec85a3a5d4cf8e87d53b15335a5b4ce07e388e63c246

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
SignatureP1C/B9WiTs2zQd0uQw7Hi7RGmfTQu4NO/ZXaWEd8YIpE5rJoExfImy4OT8fVzHeXF8AVJ188AUmgvC/DW6lJAQ==
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

2026-09-17T09:28:01.797907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100233
observed 1947efa90e6fa17d4cefaabf1dab710e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.778273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100233/manifest.json
observed efc5058e96dea0b7ff3bec85a3a5d4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.758859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100233/publication.md
observed 0969da9a75017592952d31682b30ec59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.739798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100233/publication.txt
observed 7bf63a88c30e6a2a25b51463cd51a747...
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.