OpenTechnical

OT-2026-000055857

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000055857) never changes.

Identity and time

Publication numberOT-2026-000055857 · never reused
Internal UUID01a0ae87-0a49-7f91-ac33-9f99340e8911 · 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-2026-000055857
StatusPUBLIC

Content hashes

Canonical text029306e1da6e05dbd13386f93ef1982d9af6a4bce0a55ff6b726f92caef33a0b
Markdown40a07ea8ccc4e335b824689408b5d29893ff44ba8741e4abafe90b18c41e7b7a
PDF
Publication page1bc11c84eeb528601611197f6c1b17e6a1082d5b6fc54a1114b34e41fd10ef48
Manifestc82757d090762f7e76cc8c4362e047bad34e6383a294c724345321ff102a85a2

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
SignaturesxcyBPffbhAlQhKm7V7S9rdFt2uLE41UJFcHSU52wehnQnffYCAwZWLvJokQu9uwS29SsMqRcFPo4YvTWoZTBQ==
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

2026-09-17T10:51:15.201778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055857
observed 1bc11c84eeb528601611197f6c1b17e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.184636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055857/manifest.json
observed c82757d090762f7e76cc8c4362e047ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.168389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055857/publication.md
observed 40a07ea8ccc4e335b824689408b5d298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:15.151147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055857/publication.txt
observed 029306e1da6e05dbd13386f93ef1982d...
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.