OpenTechnical

OT-2026-000099237

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099237) never changes.

Identity and time

Publication numberOT-2026-000099237 · never reused
Internal UUID01a0aea2-8288-7b59-8457-97680cde8705 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099237
StatusPUBLIC

Content hashes

Canonical text212bd0ed6ff1545f4719f381023f795ebe0917aa96064119ba6ee0e7a182bcb5
Markdown9de57061e69fec2dce7efe9bde5897158df0d0e16381fc809fa8145006cf746f
PDF
Publication page9bbae6590d2f30ddaf9c8d4cf432402d727aeaca86cc3a4ae6b2de2d0559e38d
Manifest1e78c5843a8ff1cb0b44814a074520b8c73a8e4fda388844b12d9560806107df

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
Signature1VhW57h+20EaqBp6P98L/OVknrFGtnmGx7FNalnOqs+z2pGtxl7ybBFfyNsY7C1Hpb81smcVvQblhWiw1abPBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:40.423685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099237
observed 9bbae6590d2f30ddaf9c8d4cf432402d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.406400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099237/manifest.json
observed 1e78c5843a8ff1cb0b44814a074520b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.383922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099237/publication.md
observed 9de57061e69fec2dce7efe9bde589715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.366138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099237/publication.txt
observed 212bd0ed6ff1545f4719f381023f795e...
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.