OpenTechnical

OT-2026-000044673

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000044673) never changes.

Identity and time

Publication numberOT-2026-000044673 · never reused
Internal UUID01a0ae7c-39da-7d4c-8fca-c8446c7c26ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044673
StatusPUBLIC

Content hashes

Canonical textcf15c34db60d818a02572a50fc11a78fc054ef0e60d7f9f5712639a24e569bb9
Markdown2b2285bdc7b411841359a21a48a8028d342247023d91f120ed950d086ccf4265
PDF
Publication pagecdfd1c6e12d99d4864cccb5157a06d0b146aa3d036469f0ade64c62d0d988ba4
Manifesteea3b6ebb08b6980861e54dca613c5ed293a6497ef18c43d7d989ff053530387

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
SignatureqGsvCsPIp98ImaUZ3zDj6nnTQEsIgHsH1IIWrqV1y9qTaU4qudzhLKKC0IZImtmiL0KVBvqHnpj56Loak5w9Bg==
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

2026-09-17T11:11:55.489338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044673
observed cdfd1c6e12d99d4864cccb5157a06d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.471366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044673/manifest.json
observed eea3b6ebb08b6980861e54dca613c5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.452893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044673/publication.md
observed 2b2285bdc7b411841359a21a48a8028d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.434103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044673/publication.txt
observed cf15c34db60d818a02572a50fc11a78f...
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.