OpenTechnical

OT-2026-000078343

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078343) never changes.

Identity and time

Publication numberOT-2026-000078343 · never reused
Internal UUID01a0ae95-7c27-79df-a0e2-de433bf03700 · 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-2026-000078343
StatusPUBLIC

Content hashes

Canonical text617ae8e7d6ddb31277f0d32582172f60836603319466908f35d4e2fe4beacc54
Markdown8abf819158240cda87fe6086f9d58d650bd492d8e8f72fbb32a3753fcc3f8fdd
PDF
Publication page7f1d159f64ee9c520c0f2ed8a2dcd30cd9fbd568c1f85a6111f6598da37156ff
Manifestcc7c0130f4331f02f3c33d0ec2d646971e30f7ca3f1174d404f1fa29b3a6b1be

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
SignatureWWqjyfjm31B4LalmRdi1dh5fNu5F1fpMY2MRmVZ/zhp24pUmtDon6WiwDAr5RU8iDY40mTvSNrsOL8R7H4hECg==
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

2026-09-17T10:06:18.696476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078343
observed 7f1d159f64ee9c520c0f2ed8a2dcd30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.678790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078343/manifest.json
observed cc7c0130f4331f02f3c33d0ec2d64697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.660210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078343/publication.md
observed 8abf819158240cda87fe6086f9d58d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.640782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078343/publication.txt
observed 617ae8e7d6ddb31277f0d32582172f60...
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.