OpenTechnical

OT-2026-000023272

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000023272) never changes.

Identity and time

Publication numberOT-2026-000023272 · never reused
Internal UUID01a0ae70-7267-7a36-96ad-d480aaad8c7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023272
StatusPUBLIC

Content hashes

Canonical textc94e1f5f6bc8fbf7cf192e7ad5fa0513c9a650ea4285ae2d2f208e10dbb45da0
Markdown6d0d1e6ff5638b186e9c6eb80377a042c5860e56fc42a6032fc23c159e93ac7b
PDF
Publication pagee739d82ecc154b4193134faf47602d94963544093cc1a601963f26b8077fa958
Manifestd1ea17449dd6eaa08cbd798ffbc66ec677416cca3352030da2606110c310dae0

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
SignaturehsOiF/HaE6rXZte/NWlNPyXBjg1GTc7m80c7kDfZ3jEpkQRtldi6vauk+14C7fDFO70SGuTicrc9NRgP0JV1BQ==
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

2026-09-17T11:51:20.714881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023272
observed e739d82ecc154b4193134faf47602d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.696287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023272/manifest.json
observed d1ea17449dd6eaa08cbd798ffbc66ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.676826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023272/publication.md
observed 6d0d1e6ff5638b186e9c6eb80377a042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.658938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023272/publication.txt
observed c94e1f5f6bc8fbf7cf192e7ad5fa0513...
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.