OpenTechnical

OT-2026-000085899

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000085899) never changes.

Identity and time

Publication numberOT-2026-000085899 · never reused
Internal UUID01a0ae99-e82a-7062-8ea1-7dcb9094094d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085899
StatusPUBLIC

Content hashes

Canonical text487a4ea86687f81deb80d0ac1afbbd416b8d001225bfeee51c87be640bfd747e
Markdown2bd28e5de3970839fca96b580c2582d4df85e5b36ffb1b4afde5d27965a2a90b
PDF
Publication page640075429514531326a17d30b48b782336449c62bcd159c63b242dc7945b91ce
Manifest1822f8b75491ad92698570051831dbd66be1157a2ab93ef9292060dff3f01991

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
SignatureXPF0dHv7FIG1f8bRD4RfoqJid84u6HsSUbqR6skFVtXOFkT+Fbb5V5OaGudnilDxgLYxu/oqbTiz//yTpEx/Cw==
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

2026-09-17T09:52:50.564564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085899
observed 640075429514531326a17d30b48b7823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.547069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085899/manifest.json
observed 1822f8b75491ad92698570051831dbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.499539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085899/publication.md
observed 2bd28e5de3970839fca96b580c2582d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.422420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085899/publication.txt
observed 487a4ea86687f81deb80d0ac1afbbd41...
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.