OpenTechnical

OT-2026-000027426

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000027426) never changes.

Identity and time

Publication numberOT-2026-000027426 · never reused
Internal UUID01a0ae72-6998-7a72-a828-2bb7ec1c8509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027426
StatusPUBLIC

Content hashes

Canonical text2ed2d910eee81438859441bb6ead76eaad5c21741c407a38f642c2f5a673a51c
Markdowne0c2ee66d59693b5c49ae435f406b4df44c5895a3385c25923d9c22da34d26a5
PDF
Publication paged7f42fa320fd710074ecb03dbee80f5f5e7c85e49a63f4b36c2c3a09852e2c55
Manifestde9d5ca7ab05ba3ae32b8370fdf0d00df720286b44bfd16ff3d92a88a4e0b74e

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
SignatureU4NFGksktE0IlE5r4BTd55eAhRZsFrDc5xtmF1YVw+BmOg0pIjtRbcj+17MgOaJaixGtSIB7eFZZ3530zn05Bw==
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

2026-09-17T11:42:51.401855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027426
observed d7f42fa320fd710074ecb03dbee80f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.385853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027426/manifest.json
observed de9d5ca7ab05ba3ae32b8370fdf0d00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.369630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027426/publication.md
observed e0c2ee66d59693b5c49ae435f406b4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.354639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027426/publication.txt
observed 2ed2d910eee81438859441bb6ead76ea...
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.