OpenTechnical

OT-2026-000080656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000080656) never changes.

Identity and time

Publication numberOT-2026-000080656 · never reused
Internal UUID01a0ae96-7e79-7e57-ac5c-9dd504d953af · 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-2026-000080656
StatusPUBLIC

Content hashes

Canonical text67866f876473f68c670d189d8a539eb1091c133cab776826149823fd0f4bf67f
Markdown7b2ed2c8af94cafbbde1a9d3c17fa9292096fa63435b71b4aa47cd19cc30e4c2
PDF
Publication page85f72608ea1821409e23b8ae429c1ee2205cb9308632fa3bc0471944a1bb60cc
Manifest2a1843c38dcef18315605c8d25d632c53aaf178b01b41d4f55c82f32f5e23e01

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
Signature1gtSMaZ8Ry3HZHalkOvlYJ9Af48w54wxLQtqzynz7pdne04qteLZIdIT40R3bm701egQbmB3o0xv6P8bQln2AQ==
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

2026-09-17T10:03:19.920557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080656
observed 85f72608ea1821409e23b8ae429c1ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.893427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080656/manifest.json
observed 2a1843c38dcef18315605c8d25d632c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.867603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080656/publication.md
observed 7b2ed2c8af94cafbbde1a9d3c17fa929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.834428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080656/publication.txt
observed 67866f876473f68c670d189d8a539eb1...
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.