OpenTechnical

OT-2026-000037304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000037304) never changes.

Identity and time

Publication numberOT-2026-000037304 · never reused
Internal UUID01a0ae77-b8cd-7030-80f9-e95ebcfaf614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037304
StatusPUBLIC

Content hashes

Canonical texted3a47209edc59e06042369f65ec26b60364fd9cdf8f7b636cce67ca215e83fe
Markdown5a463d615834a668c1d7ff90acd923f91c8759d3a9faefd8569ddbc1324baccf
PDF
Publication page6af20b0447b3689f83b841c0c687ea59ccaaf64d51f152a80377fd244a2df96f
Manifestf5f568c3d308a6bfdf4fae21b41e4d6307b8001967d797301e042a6e766cfd59

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
Signatures0kz8oFQl6uDb2bNkVOhY7WOHQB1dLbAyMpKo7TEXUDPdk9S/w+CZE/kZWo72WXz8V8zP7pJam0ipHMxRMFhAw==
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

2026-09-17T11:23:35.712434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037304
observed 6af20b0447b3689f83b841c0c687ea59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.693496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037304/manifest.json
observed f5f568c3d308a6bfdf4fae21b41e4d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.675839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037304/publication.md
observed 5a463d615834a668c1d7ff90acd923f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.656415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037304/publication.txt
observed ed3a47209edc59e06042369f65ec26b6...
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.