OpenTechnical

OT-2026-000062225

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000062225) never changes.

Identity and time

Publication numberOT-2026-000062225 · never reused
Internal UUID01a0ae8c-0abd-7d5d-9f30-39d2e1383a54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062225
StatusPUBLIC

Content hashes

Canonical texte3f816b138848e58dd04b3bf7a8926b2eb040a0faba6d81439b27480d84fb695
Markdowndc022c2f0aec5b3140f5297b1a5431096ba156a86c32f4d068b6af921680340f
PDF
Publication pageeb12090c6c68bcb4bd6f0a0f411b5c11fbae93621659648b12b6b6f9302e5ee2
Manifest05ee1df93f56fecfb5a2d04dfb6bb9e239bb534c47b5288d58c8a75044ebccba

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
Signaturey98VaoJWSGyKQ7tGnEyv7rIFUudehxRtvit5gECD4Ki3GbOe4i7YCvOOCpEdzJnVSL/XXva+bmjw60kVqrGyBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:29.854752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062225
observed eb12090c6c68bcb4bd6f0a0f411b5c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.837850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062225/manifest.json
observed 05ee1df93f56fecfb5a2d04dfb6bb9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.821039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062225/publication.md
observed dc022c2f0aec5b3140f5297b1a543109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.802538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062225/publication.txt
observed e3f816b138848e58dd04b3bf7a8926b2...
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.