OpenTechnical

OT-2026-000037185

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000037185) never changes.

Identity and time

Publication numberOT-2026-000037185 · never reused
Internal UUID01a0ae77-7741-79ca-9ce8-5d4e55a3e197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037185
StatusPUBLIC

Content hashes

Canonical text198debc461f1bb84aec89f9cd6169290ed7bdeee70fc65a656fb8c1754aa1da8
Markdownba6ac50c813c7205989e95c5a2d868e3f109694e85e88d4b01a492d894b8fa0c
PDF
Publication pageb1c03efb55c7ad0af2f1029f69ddea4acbba73f3afa82d07a9b8b2caab0a85a1
Manifest3ba9c163d84d4ac333cc8006db2fa0c62686e0f48bd7c1c3758d35a17f1f50bc

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
Signature7mqSWPmUX3GrNQfgdhVUc/wnNrGxhvcYQQO0Pd0FNPEpvqLHVvqcJ7uSX5MdzwSraBpY9t5LX3HtQxkKJ8UtDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:25:04.218375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037185
observed b1c03efb55c7ad0af2f1029f69ddea4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.198861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037185/manifest.json
observed 3ba9c163d84d4ac333cc8006db2fa0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.182195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037185/publication.md
observed ba6ac50c813c7205989e95c5a2d868e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.161861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037185/publication.txt
observed 198debc461f1bb84aec89f9cd6169290...
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.