OpenTechnical

OT-2026-000015850

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000015850) never changes.

Identity and time

Publication numberOT-2026-000015850 · never reused
Internal UUID01a0ae6e-0c4c-700c-9002-c0652aae6858 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015850
StatusPUBLIC

Content hashes

Canonical textf9ad1cf59cfb5b94cdd6c27df1c68d0a51094d0457372a1ace320441b368c582
Markdowne197ad9c5060b71540db8d87012ab87818ccc7c9c174d28f6110626c56c50457
PDF
Publication page8ca072ee343c71ed7408c95d9ce8ca2af52f65416847ffde2b3880645f6c0b0b
Manifest31ace58b01db2de3c39efd166c0078ec73a5abc9622c923ecf09d25bda3f6c4b

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
SignatureORcMHym/R7rLUai1joyLhtQ8ggQCC9aZJPQSzrpsfJybuXATMCYadRevaKDwHZcbxTZrFLYWa+gzhP3UuwQwCw==
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

2026-09-17T12:05:17.070329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015850
observed 8ca072ee343c71ed7408c95d9ce8ca2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:16.990008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015850/manifest.json
observed 31ace58b01db2de3c39efd166c0078ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.553813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015850/publication.md
observed e197ad9c5060b71540db8d87012ab878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.533276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015850/publication.txt
observed f9ad1cf59cfb5b94cdd6c27df1c68d0a...
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.