OpenTechnical

OT-2026-000078454

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000078454) never changes.

Identity and time

Publication numberOT-2026-000078454 · never reused
Internal UUID01a0ae95-7c28-710d-aed0-dbf6cac93197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078454
StatusPUBLIC

Content hashes

Canonical text159aeab62d60b02e2720c4bec3eec9d9ef9e8fe27a82631d59965b6abd2339d4
Markdown5a984b1b6d0efdcdbcb13bafd574735efe3df8e12c379df18dbdc0d8be5a2c57
PDF
Publication page2edb24827bf82c5a52252ef4dfd039080817434656b49929e4c0c3d679cc7d21
Manifestfc52b4eaf1a51a5d3e654cd6d6fab8aad621b546b0cf148195244bc812ea9bde

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
SignatureApHJp87DPgt7NXIOvrSvwa7kw9RS4hVYIejsGTepqTqhnD0JYC4+oebE+aPbbTr9RrjxkJ1XhX+h0WeCpvV8Bg==
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

2026-09-17T10:06:27.318297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078454
observed 2edb24827bf82c5a52252ef4dfd03908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.300305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078454/manifest.json
observed fc52b4eaf1a51a5d3e654cd6d6fab8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.280936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078454/publication.md
observed 5a984b1b6d0efdcdbcb13bafd574735e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.260164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078454/publication.txt
observed 159aeab62d60b02e2720c4bec3eec9d9...
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.