OpenTechnical

OT-2026-000055125

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000055125) never changes.

Identity and time

Publication numberOT-2026-000055125 · never reused
Internal UUID01a0ae86-5e82-76c6-9a74-31fda6e51770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055125
StatusPUBLIC

Content hashes

Canonical text2ac623a9cf7a5130ca26219def9d3fba7a17c30a6a477c85348c19a77ebf69af
Markdown01f78b5b15ad59471cdd3b7030334e66b9f282fa9599889dc9b8756a5099b034
PDF
Publication page539da545562713643dc5b8da8a6a0d06e8948283ade6be323fef1d20479dad2a
Manifest2f99bb23c7256dfa50c13499b1c7b52a70aea0176a55b9ad7289ef057194139a

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
Signature0yl0Y1OvLuDkDbWsO+F4byWa02M7zjy/8RZinuN1lcF5Xebl0RYn6iec5Vm9UMc2TrQpIEEziwMJ2kE8iC4pAA==
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

2026-09-17T10:53:17.675252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055125
observed 539da545562713643dc5b8da8a6a0d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.657899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055125/manifest.json
observed 2f99bb23c7256dfa50c13499b1c7b52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.639961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055125/publication.md
observed 01f78b5b15ad59471cdd3b7030334e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.622244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055125/publication.txt
observed 2ac623a9cf7a5130ca26219def9d3fba...
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.