OpenTechnical

OT-2026-000017973

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000017973) never changes.

Identity and time

Publication numberOT-2026-000017973 · never reused
Internal UUID01a0ae6e-96fc-72d2-89b0-21bdf817b73e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017973
StatusPUBLIC

Content hashes

Canonical text835386a8b22d973a5993eabf53909ff2155d32dada83b0b56ed276e2ec2f2859
Markdown92ec606333fec1f3b9b181e73728701d99d250885f4355c10551e8e75528c8ff
PDF
Publication page0bcda84080a40a1a67340511f4b1b5705e77c04a12c7e79b908ccedfc56c577b
Manifest8b11673bc0cd593d07a93c61b723d2d66a505f300035a962fe3ac1a91cbf4b4f

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
SignaturevDs3CPPhLPttZpHxZSIyw6gkvaaaaN5LmvWsPN0V6IGG4tOw1FDj5NnLhgqvi4jWCtb6iyEdWRNaeoXPixEXCQ==
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

2026-09-17T12:01:59.306549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017973
observed 0bcda84080a40a1a67340511f4b1b570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.287623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017973/manifest.json
observed 8b11673bc0cd593d07a93c61b723d2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.267174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017973/publication.md
observed 92ec606333fec1f3b9b181e73728701d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.247846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017973/publication.txt
observed 835386a8b22d973a5993eabf53909ff2...
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.