OpenTechnical

OT-2026-000071037

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071037) never changes.

Identity and time

Publication numberOT-2026-000071037 · never reused
Internal UUID01a0ae91-8c2e-79f9-80c7-8422e9129864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071037
StatusPUBLIC

Content hashes

Canonical textc45519a8e976b3028a9a1eb5d863a8f9a952da5a94eb7ab8bfd512e2f18fe7f3
Markdown1dab1e66e60ad7bf6d18469ab88f79721edf1cd9f7433f5348a34e8731b70680
PDF
Publication pagea61017fd3db1e1aa764860cb977cfe5e31f4d50ff1b84ecef56c518f172c8cec
Manifest800c6817bd469092c56d8e1ab7087c7a3360ed7d9d76daf2a1f0fe68432893d9

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
SignaturenDaIO44kDvtClHgQ6LlGfaBhyUlrLcx7pE4g5RtA2zG1RnJ9hfCSPLLLzFUyzuSNySYodIx77nYDj++YT1FpCA==
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

2026-09-17T10:25:53.514660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071037
observed a61017fd3db1e1aa764860cb977cfe5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.499538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071037/manifest.json
observed 800c6817bd469092c56d8e1ab7087c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.481871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071037/publication.md
observed 1dab1e66e60ad7bf6d18469ab88f7972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.463886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071037/publication.txt
observed c45519a8e976b3028a9a1eb5d863a8f9...
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.