OpenTechnical

OT-2026-000070080

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000070080) never changes.

Identity and time

Publication numberOT-2026-000070080 · never reused
Internal UUID01a0ae91-1861-72b1-9682-6f823793bfa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070080
StatusPUBLIC

Content hashes

Canonical textf64721a1763976b257f602595ed9d25388d60213d08f6e607e42d3241e9e5fc4
Markdownb9f7cb6d69355af3c0b1cdb511cfd448829266d090278eb507309f8d80edfb50
PDF
Publication page120383032193180d6c9b8db803ecbba234caa2aaef3cbb6ecb41f162f40d0acf
Manifest98ca00d11be6bf9697a2afc22ed555490596d5e4b64079823e16e736cfde33a3

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
SignatureheeDSNtZ2RZu2vlTnJiGbsfCElvHXosmPhUr4O9Rmh/VEHKuyPADcxFIPs603voixB9VZagPukfv5LgYsasqDA==
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

2026-09-17T10:27:02.700848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070080
observed 120383032193180d6c9b8db803ecbba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.680874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070080/manifest.json
observed 98ca00d11be6bf9697a2afc22ed55549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.661162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070080/publication.md
observed b9f7cb6d69355af3c0b1cdb511cfd448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:02.642037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070080/publication.txt
observed f64721a1763976b257f602595ed9d253...
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.