OpenTechnical

OT-2026-000039261

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000039261) never changes.

Identity and time

Publication numberOT-2026-000039261 · never reused
Internal UUID01a0ae78-9674-7227-a6e0-dccaa9026389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039261
StatusPUBLIC

Content hashes

Canonical text0b75cb368c779ddd5d1c25e12383fead844133d1c0de2ba8dac2068f63bc95ca
Markdownd5266eb2ffbd0daf0ee785253e3da30a9a8057dbfc7e48bc86a05e12c68be596
PDF
Publication pageec071004779bf830e319d7db5cdc7b95f87f28ce957e7911861d8e4839237e79
Manifest72e5616b002ea7cb16082e919ab43054307bb461832085450455278fff315ee9

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
SignatureQjKGQtcgHHWGDsdOWVqjkl4BzdWcDTA2KixlOO6qE8kqWWvLjj1cm4bW1sgyEfabAO8ycAlZJ/7+oP3gzNMEDg==
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

2026-09-17T11:20:49.494186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039261
observed ec071004779bf830e319d7db5cdc7b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.475018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039261/manifest.json
observed 72e5616b002ea7cb16082e919ab43054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.458704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039261/publication.md
observed d5266eb2ffbd0daf0ee785253e3da30a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.439506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039261/publication.txt
observed 0b75cb368c779ddd5d1c25e12383fead...
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.