OpenTechnical

OT-2026-000026485

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000026485) never changes.

Identity and time

Publication numberOT-2026-000026485 · never reused
Internal UUID01a0ae71-f4a8-7679-a489-67a1557db49e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026485
StatusPUBLIC

Content hashes

Canonical text69ea1576d8d95e00657f5ab40c5d32eb2c707c2087915d8fa375915da3338682
Markdown6ccb0094dfef2b652b40b68513197d019dfe273ab7b013096c6eb066a39cee40
PDF
Publication pagec5b532e55987e219fffe5adc07a3c022a32d6e89de1cdbb230e4e7b858d1dbf3
Manifest2485acd75ad348eab38ca0f9c89c54a49f3f551c4812b51991c29a2ca2d38e7a

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
SignaturemS6F7FHdc/7HvxVnM0xHm+vP92NVpvP5vByXHWdB5pko8N64Fnho2xvGs12vQCj+RewdDGr5Fnw5WbEwGhjIDg==
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

2026-09-17T11:44:36.461218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026485
observed c5b532e55987e219fffe5adc07a3c022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.437153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026485/manifest.json
observed 2485acd75ad348eab38ca0f9c89c54a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.418067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026485/publication.md
observed 6ccb0094dfef2b652b40b68513197d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.398125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026485/publication.txt
observed 69ea1576d8d95e00657f5ab40c5d32eb...
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.