OpenTechnical

OT-2026-000093983

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093983) never changes.

Identity and time

Publication numberOT-2026-000093983 · never reused
Internal UUID01a0ae9e-92c9-7453-bf1b-cc355b6c5a97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093983
StatusPUBLIC

Content hashes

Canonical textf2381d07f6ecce6952929e89ad9034d22d0a89877907a2bbf83a84180d5b3ca2
Markdowne4460fec3515b8ac235d08056eb03331a09f49e1b663d79574538f8a1622fb08
PDF
Publication pageacfb84892717b1f5432c5804fec09350c274076d473af9bc01791a44a762065b
Manifest06f723cfe78cf10f93c4e89d4d532030974f8a1b9574778614a4b912458bdab5

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
SignatureMQzZLD7zmHHJPzzi/ZmeJF06Zux8Yq00LRI04iV4FSuPf0yN8xddxy4VPB6zbJ+phQcEN8m9UbCt1g4gXAkkBw==
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

2026-09-17T09:38:23.185912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093983
observed acfb84892717b1f5432c5804fec09350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.168149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093983/manifest.json
observed 06f723cfe78cf10f93c4e89d4d532030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.149891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093983/publication.md
observed e4460fec3515b8ac235d08056eb03331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.132404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093983/publication.txt
observed f2381d07f6ecce6952929e89ad9034d2...
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.