OpenTechnical

OT-2026-000039417

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039417) never changes.

Identity and time

Publication numberOT-2026-000039417 · never reused
Internal UUID01a0ae78-9675-7f89-9b3b-59cf4c727aca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039417
StatusPUBLIC

Content hashes

Canonical text6fcfab02e171b5178ee21101e8519bc0ba1c851a5ae1e54274f09d5de277f05e
Markdown4ab4ae9815cb87db55deba24adeb6f10110adf7d3a530d013726de647337d3f5
PDF
Publication page8a8dda6923bc26d8770a14d87ec8f3456989647cf459f6f56254cc6fb30309fb
Manifest786e76423940fc1c2c6a76103b7b3d8cdda20dc67db25bd054fd0603938a87d8

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
SignatureTsq546Em5HVhkG0b1XDk9t8aSa031ZvWJvazGctOSKTSJ7NlkqX8NLzMmvjgiQYMHmoB4TxsvVqd3VhwKrp3Ag==
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

2026-09-17T11:21:01.000213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039417
observed 8a8dda6923bc26d8770a14d87ec8f345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.983961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039417/manifest.json
observed 786e76423940fc1c2c6a76103b7b3d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.966643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039417/publication.md
observed 4ab4ae9815cb87db55deba24adeb6f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.948085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039417/publication.txt
observed 6fcfab02e171b5178ee21101e8519bc0...
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.