OpenTechnical

OT-2026-000099474

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000099474) never changes.

Identity and time

Publication numberOT-2026-000099474 · never reused
Internal UUID01a0aea2-c974-7f78-8153-4684f9123aa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099474
StatusPUBLIC

Content hashes

Canonical textef49831f7ad218973486538ee1643732f17dcdb4aec92047a35e1f4da42e064c
Markdowne46fc74877714a9832b48168b1e43d12aebad10ec5431fa6527ecef0391ea926
PDF
Publication pagef9d19cd35d1dc3a7fc3bfb1546f84d02661a80856c2ad5f3295b26488811b33d
Manifestd3b24f555bc40c0c9603d6ee65a08fc9cfc9c2db16e7559e64134e7f5435f48b

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
Signature1MlSI4Rt7E7qCcLTtn6YCM8bcgCzR8pfRAJdKmcz/2YaKzHRk3/fG8LrTXFGVY7enm1brCPYJcbV1nAflIMJCQ==
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

2026-09-17T09:29:15.612251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099474
observed f9d19cd35d1dc3a7fc3bfb1546f84d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.593556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099474/manifest.json
observed d3b24f555bc40c0c9603d6ee65a08fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.575288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099474/publication.md
observed e46fc74877714a9832b48168b1e43d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.556822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099474/publication.txt
observed ef49831f7ad218973486538ee1643732...
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.