OpenTechnical

OT-2026-000100306

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100306) never changes.

Identity and time

Publication numberOT-2026-000100306 · never reused
Internal UUID01a0aea3-3053-7db5-9c29-e1c8b2270657 · 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-2026-000100306
StatusPUBLIC

Content hashes

Canonical text721bc36be85a27dbf20f6a66e198fcb644426e5f3489dac33f1842d8381b24af
Markdownbb91c71af3d03b0dd1130bdcd30b757ebed6862a146a7242a0426ba9f130a21f
PDF
Publication page4db64b09aa7c9a66d647df7ed3fd05e65cd66b7d027d9e4d329ef860b185b309
Manifest054dae9e1a9e8d5a047912d2a25485eac6c826938a3f3ffda80c6ac4815c7244

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
SignatureCrAYVDapv2aD5nEJmY6mYCpkZ2Ou7mRPuXDNi1tfIjCYYAR61eGb+ogUh+0ju/zkXn+WAe8GjwvikH5dJNK2BA==
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

2026-09-17T09:30:14.220890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306
observed 4db64b09aa7c9a66d647df7ed3fd05e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.201660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306/manifest.json
observed 054dae9e1a9e8d5a047912d2a25485ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.180977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306/publication.md
observed bb91c71af3d03b0dd1130bdcd30b757e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.160328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306/publication.txt
observed 721bc36be85a27dbf20f6a66e198fcb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.165850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306
observed 4db64b09aa7c9a66d647df7ed3fd05e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.148543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306/manifest.json
observed 054dae9e1a9e8d5a047912d2a25485ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.131032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306/publication.md
observed bb91c71af3d03b0dd1130bdcd30b757e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.114358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100306/publication.txt
observed 721bc36be85a27dbf20f6a66e198fcb6...
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.