OpenTechnical

OT-2026-000074214

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000074214) never changes.

Identity and time

Publication numberOT-2026-000074214 · never reused
Internal UUID01a0ae93-7178-76de-ae55-5a97d2a42730 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074214
StatusPUBLIC

Content hashes

Canonical text247c73b29bf57e6d95e290cccbeac86475cd99530c8ff774c3e243f1afb98319
Markdown8df9283f1bde6500de02cde0154da3e25738ec5b45c096e5cd7ab589558c9464
PDF
Publication page95b648e025692a88406d850b7509c3ac62658891b737c080f945c46aae9371d5
Manifest873b194558da9708cb8c1acbf6da1ffc39c2d0efa9f32e31f25c8a1557658032

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
SignatureXbK1X6UCs29PAj5IRbHfrl9ln6TgWBNiSNuGSXQmz4BoAUUXEpwC4U07DRRtEn6of6QWw6i0YisN4ttBDQ7VBw==
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

2026-09-17T10:19:04.389188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074214
observed 95b648e025692a88406d850b7509c3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.371223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074214/manifest.json
observed 873b194558da9708cb8c1acbf6da1ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.353414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074214/publication.md
observed 8df9283f1bde6500de02cde0154da3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.335170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074214/publication.txt
observed 247c73b29bf57e6d95e290cccbeac864...
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.