OpenTechnical

OT-2026-000099245

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, 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-2026-000099245) never changes.

Identity and time

Publication numberOT-2026-000099245 · never reused
Internal UUID01a0aea2-8289-774a-97b2-64a7c8ff4e3c · 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-2026-000099245
StatusPUBLIC

Content hashes

Canonical text457af2ad7f0494d7dcce229bf157d18040572910408021e4c7478a58435988cd
Markdownac27ed36f9179da3cbd2cdaeacb395bd1396140cb487abf175a7ae4092be6698
PDF
Publication pageb8378ee2c81a0e45b6201a9449d56b23ffc736347bed236b91d144e15faecb2e
Manifeste95231f581f1fffd63ccab08c92b6e853314ecd8fc77299c12901d74877ddd16

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
SignaturedDgrZUm6PrpCZfEXzDh/NLq2Wo0WGfWXtFFCxj3x4drIfgqYBmxCzg8b9buJ7iCaatErs1jvL9WnialUEkp4Aw==
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

2026-09-17T09:30:41.072695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099245
observed b8378ee2c81a0e45b6201a9449d56b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.053958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099245/manifest.json
observed e95231f581f1fffd63ccab08c92b6e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.034639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099245/publication.md
observed ac27ed36f9179da3cbd2cdaeacb395bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.017145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099245/publication.txt
observed 457af2ad7f0494d7dcce229bf157d180...
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.