OpenTechnical

OT-2026-000080417

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000080417) never changes.

Identity and time

Publication numberOT-2026-000080417 · never reused
Internal UUID01a0ae96-7e78-7113-81af-5d91e0cf3300 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080417
StatusPUBLIC

Content hashes

Canonical textbb1d38b80ca671bae85ccbb78c484b6a14139ab05a128ee72f73240778c1a200
Markdown335978d99e79577242991f1c35422af87802f5ce3430e4b2addc018dc6228b3a
PDF
Publication pagedaa36c1feda6c063d68c21a61f7184a0211253cc8aacb4f9c9af64fa570262c1
Manifest5946c8ffb049b0c7b93d79de646cad0430275496233ed32f9e8a4706fc205169

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
SignatureMEN9EIOZKZCUy5+gnorWNroyeNo61E9J6+2Cz4o+yQtPNJ6gG/GF8QbISEwAHtiZbxZK7T635eTw54TDmjbcCw==
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

2026-09-17T10:02:55.341681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080417
observed daa36c1feda6c063d68c21a61f7184a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.320987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080417/manifest.json
observed 5946c8ffb049b0c7b93d79de646cad04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.295989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080417/publication.md
observed 335978d99e79577242991f1c35422af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.273383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080417/publication.txt
observed bb1d38b80ca671bae85ccbb78c484b6a...
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.