OpenTechnical

OT-2026-000055712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000055712) never changes.

Identity and time

Publication numberOT-2026-000055712 · never reused
Internal UUID01a0ae87-09ca-7125-b75b-b43e01332d11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055712
StatusPUBLIC

Content hashes

Canonical textaa99b4576f566f6dc82e12f2772a86cc77913f55c06bf4da11d642412c6c5fef
Markdown58164f6509877cbc553c2de2509abc8ec24996e39d2c66f3110b6639bc9ddb0c
PDF
Publication page64053411d5b12b7ec98358c43b460d4539e04f19101422cb52632a359fb21ae4
Manifesta77ee383e38a5d6a48681292f94d11409c067cb938750ea268067222e5847435

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
SignaturepbiTxr5tpRT8Em/5IVLk+C4f5BAQXNS3yKFJj7+I7Of0DNQo8g6BnADFp6Wn0kW/GbI70wnZ27BdzM60cFm2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:02.594905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055712
observed 64053411d5b12b7ec98358c43b460d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.576283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055712/manifest.json
observed a77ee383e38a5d6a48681292f94d1140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.557300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055712/publication.md
observed 58164f6509877cbc553c2de2509abc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.538303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055712/publication.txt
observed aa99b4576f566f6dc82e12f2772a86cc...
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.