OpenTechnical

OT-2026-000029677

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000029677) never changes.

Identity and time

Publication numberOT-2026-000029677 · never reused
Internal UUID01a0ae73-5e23-7bba-94e2-ec753ac9e909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029677
StatusPUBLIC

Content hashes

Canonical textfbbc1923fa777692c0a9154a1f67cc26c0c483f048d98d3bf0b2156b102674db
Markdown50b5320522a56484d014b25502a0c4b6570501749803188b4a33c79b799e7441
PDF
Publication page1721b7eadeb4df0bb509ffd8a75dddddc62431ff4c4e7f9ca85e9a198e3cf723
Manifestf7c5bbbdd085cba59278260c5a112f4fc523ffb097855359dca27ceb8b951139

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
SignaturenKB8KbMNI5cPe0vaJ8JnfNT5wsP3JJl798RAZECIlkjVoZlJEx69/Di0b2njepaSG6P5SV1AHc8dvmQGL/yBDQ==
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

2026-09-17T11:39:23.892645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029677
observed 1721b7eadeb4df0bb509ffd8a75ddddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.876423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029677/manifest.json
observed f7c5bbbdd085cba59278260c5a112f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.860698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029677/publication.md
observed 50b5320522a56484d014b25502a0c4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.841592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029677/publication.txt
observed fbbc1923fa777692c0a9154a1f67cc26...
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.