OpenTechnical

OT-2026-000084377

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000084377) never changes.

Identity and time

Publication numberOT-2026-000084377 · never reused
Internal UUID01a0ae98-5b62-77ad-8469-03876a8e3e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084377
StatusPUBLIC

Content hashes

Canonical texta06f168f1aec029b343a2ba2a7590b183bff0ae2937b18f2f08e5a45bd582669
Markdown3b784a14cc625ac90cc2518c9c6eda4b2b30ab6e2246708ff34c0864a862605f
PDF
Publication pagefb8f2a4a40bd2b4cb22ab4335bdcecb0d8bdd36bdbb29e49c109b28ade56d163
Manifest945af66906bbae7089e21d47e941c05cf4f7ab9640fc5967945bb96c360675c6

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
Signature2RsKTphs3T05aJXNeXC90XPmooPTltn0RGGgKxdzF/VeR3H0Rin86hc/HxswsgorFrzwgpW2LH+Ei/XwhWPgAQ==
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

2026-09-17T09:56:18.997797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084377
observed fb8f2a4a40bd2b4cb22ab4335bdcecb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.979549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084377/manifest.json
observed 945af66906bbae7089e21d47e941c05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.962172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084377/publication.md
observed 3b784a14cc625ac90cc2518c9c6eda4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.942684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084377/publication.txt
observed a06f168f1aec029b343a2ba2a7590b18...
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.