OpenTechnical

OT-2026-000027600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000027600) never changes.

Identity and time

Publication numberOT-2026-000027600 · never reused
Internal UUID01a0ae72-6999-768d-8cbb-ed357e23e48a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027600
StatusPUBLIC

Content hashes

Canonical textd933ac9d06afd8bc3c952e25a3709614dbd01d510d1f3a7665a350cc371ab76a
Markdown3b2b3f62edc3737601666bcd3d2e45c10d6ab48ba1ee7e4342fab04d0bca8281
PDF
Publication pagefab487622568de02471a13f92d29bb34a68b69d70c182d8c8a22fa2106d74a94
Manifest26bf806891860b2da36771f67293bac32abe40380001bd45e9735baed8665c25

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
Signature9y1CnhUKMoWtT3t9mS7sy16pPLsJDXPflpiGLd3AeYuwkiKOWR3HI+i8/ypUS919s1Dq+7MFpCmpsi36KpecCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:06.904806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027600
observed fab487622568de02471a13f92d29bb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.885967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027600/manifest.json
observed 26bf806891860b2da36771f67293bac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.865049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027600/publication.md
observed 3b2b3f62edc3737601666bcd3d2e45c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.845296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027600/publication.txt
observed d933ac9d06afd8bc3c952e25a3709614...
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.