OpenTechnical

OT-2026-000100780

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100780) never changes.

Identity and time

Publication numberOT-2026-000100780 · never reused
Internal UUID01a0aea3-66f5-7f33-b1be-45d38635e639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100780
StatusPUBLIC

Content hashes

Canonical texte1d14f2068acb496f68c53f8376c526e5bdd8e5fbbbf65776a50e6a62de22d49
Markdown4cca13dc92a1f3d66e491e47336b7f5cf29aa2183745c480aae8761ee209baf9
PDF
Publication pagef450a55b9693503219b08e2471bb2f51ae6cf81bf2f2e25243fc36617c30c207
Manifestcba7bc65f925b8626b40c7ce77cfb7e61d54fea415592ff5818c3414a22faeec

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
SignaturelMIg2bmjSeEt9oJTWfXQMQV371PopS3odX/5qaJGHii11NpTyJJrk78qc52cbuOE4t3jmqIOlePXrrv1RXeBBQ==
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

2026-09-17T09:27:41.262226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100780
observed f450a55b9693503219b08e2471bb2f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.240715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100780/manifest.json
observed cba7bc65f925b8626b40c7ce77cfb7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.219809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100780/publication.md
observed 4cca13dc92a1f3d66e491e47336b7f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.200026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100780/publication.txt
observed e1d14f2068acb496f68c53f8376c526e...
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.