OpenTechnical

OT-2026-000055344

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000055344) never changes.

Identity and time

Publication numberOT-2026-000055344 · never reused
Internal UUID01a0ae86-a100-75de-8bf1-03cca99745dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055344
StatusPUBLIC

Content hashes

Canonical text2d6f9367dc732b341228930cd38ec3a20d04aa2ce72c44748346ac49fc204b24
Markdown6c8215201e5808d5c8c5088c3143080a8a7bd0070001350d4e547934159f538c
PDF
Publication page4b42e1d70ec5dc8162bf902c626f8b926100feff28ff29e3dd70e77b290bf9bb
Manifest036c29284d4323574515e3abf4b8e3c07490fc48c0094c5f5dfae9f81a7dcb75

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
SignaturebbGL7WIpxGeKDhbRExe76VJuNgNWrU6UVH/2UHEtTtcTptW79N1uNVB8bsQ0Vj31d3RyYIMhjzVA/YaVlHlUAw==
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

2026-09-17T10:51:58.088159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055344
observed 4b42e1d70ec5dc8162bf902c626f8b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.070805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055344/manifest.json
observed 036c29284d4323574515e3abf4b8e3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.054604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055344/publication.md
observed 6c8215201e5808d5c8c5088c3143080a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.038279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055344/publication.txt
observed 2d6f9367dc732b341228930cd38ec3a2...
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.