OpenTechnical

OT-2026-000085233

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000085233) never changes.

Identity and time

Publication numberOT-2026-000085233 · never reused
Internal UUID01a0ae99-43bb-7721-885b-7e91d049f3d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085233
StatusPUBLIC

Content hashes

Canonical texta93f45dfbe8fd8c7a93d284ecc3fab8fa9eb555bd329a1b667bb49175e6a2309
Markdown42b1f3a964588d2439c9c53529f66b5024ea76c7a496ea674db0b70e5616c64d
PDF
Publication pagecf229819461c3fbb4a8a65b78d840161b314267e9fd24b4cc468dcd888a49830
Manifestedfad5d1726ee2bd6ec13effcf99405b32adfd447c9e3daa1b0ee7491c4ed0eb

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
SignaturedsOtLokAS9kzHk7SFY5sYCRTyRnyyDhdiAUQ5b+UEPclyUHvkXd5FRYOnmhyXbMkQVtIeZCZjafiN1/Sx7yEDQ==
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

2026-09-17T09:55:19.843133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085233
observed cf229819461c3fbb4a8a65b78d840161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.825168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085233/manifest.json
observed edfad5d1726ee2bd6ec13effcf99405b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.806541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085233/publication.md
observed 42b1f3a964588d2439c9c53529f66b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.789005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085233/publication.txt
observed a93f45dfbe8fd8c7a93d284ecc3fab8f...
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.