OpenTechnical

OT-2026-000021268

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000021268) never changes.

Identity and time

Publication numberOT-2026-000021268 · never reused
Internal UUID01a0ae6f-865c-75b1-b6f9-52f124f001d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021268
StatusPUBLIC

Content hashes

Canonical text7b2643a8924b7e1674b05d790b1fa21b299f8baa7782c6b3a343c9aa637e786f
Markdown65dc67b48c552bdc66011ba5d99500d2879934c6c6565961bab4a81155d2b82f
PDF
Publication pagee3959bb3206ab6e347efe0ed2c3dd7ee4aaa10fa43f845f753f1d04b231407a7
Manifeste9f250e4f91778273ab735d38f62e88315d800c78ad1b2e39f4d957b50a85503

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
SignatureQLqGF8H1loiDZe2gDtvm+F35QjuDkiBfjio1CiiYzTM8LokyZ8aKnFvXC9E6khPeyq3qLGqDETivj59Kz5cUBw==
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

2026-09-17T11:55:05.687159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021268
observed e3959bb3206ab6e347efe0ed2c3dd7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.668965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021268/manifest.json
observed e9f250e4f91778273ab735d38f62e883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.649163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021268/publication.md
observed 65dc67b48c552bdc66011ba5d99500d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.629200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021268/publication.txt
observed 7b2643a8924b7e1674b05d790b1fa21b...
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.