OpenTechnical

OT-2026-000054441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000054441) never changes.

Identity and time

Publication numberOT-2026-000054441 · never reused
Internal UUID01a0ae86-1282-78d4-9817-631ed20821aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054441
StatusPUBLIC

Content hashes

Canonical textc9addac3ec0b39c72ff7c5ef6f9e3f2e1c8dc4627fe3f75bc0328ddcdf809ba6
Markdownc87a5870af15d3e60247d103f9293b00de797a9a9557a5152f6ffc544039da61
PDF
Publication page80b0719cedf6016e5f22b741a9e5b6e73ae5176b6088919af494eaf315c3d186
Manifest1d2f485840a8a8cd3bb62481b744ef7dbe03c207af38529630c73c38eb9d26dc

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
SignatureMPiwJu50HuX9TDC3TARtQcT0XEe3X6inPADP7QmzbGi7MEwMlSI4HRfezHoUURQ18FrgcGFO8DQGHcblnQc6Dw==
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

2026-09-17T10:53:25.639376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054441
observed 80b0719cedf6016e5f22b741a9e5b6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.620172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054441/manifest.json
observed 1d2f485840a8a8cd3bb62481b744ef7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.602993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054441/publication.md
observed c87a5870af15d3e60247d103f9293b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.584049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054441/publication.txt
observed c9addac3ec0b39c72ff7c5ef6f9e3f2e...
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.