OpenTechnical

OT-2026-000029324

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000029324) never changes.

Identity and time

Publication numberOT-2026-000029324 · never reused
Internal UUID01a0ae73-5e20-7b0f-9171-f0eea958d51d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029324
StatusPUBLIC

Content hashes

Canonical text1dd5a188780b3da6f7defc61cc3a29f78a896f174726c6799c7be1cb5c045cf9
Markdownfa7d13adca0d7380cd9d10f1f29d3383758833b0b8586431ddc8b71d7e1b141e
PDF
Publication pagee56ea552f2eab91f5be0efbe411d32f159d79349d8fabe60dd9ff469f4bc5768
Manifest0262982cbffe49b303b6c90b4b06884204fd11164916cb5a8d351afa2b064649

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
SignaturerGwOCc5Mxy4l7i+cdIA2is54JDTFGzQOPjoljCALkUokdTG4dh/k66qlHX3hDdt7WvjTZcvqqY+fGXb61hKnBg==
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

2026-09-17T11:38:52.250026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029324
observed e56ea552f2eab91f5be0efbe411d32f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.231853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029324/manifest.json
observed 0262982cbffe49b303b6c90b4b068842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.214436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029324/publication.md
observed fa7d13adca0d7380cd9d10f1f29d3383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.195548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029324/publication.txt
observed 1dd5a188780b3da6f7defc61cc3a29f7...
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.