OpenTechnical

OT-2026-000086975

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000086975) never changes.

Identity and time

Publication numberOT-2026-000086975 · never reused
Internal UUID01a0ae9a-80a5-7f1d-ae44-2e03e47fc726 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086975
StatusPUBLIC

Content hashes

Canonical textcedff6c4057c66f6da59a819b9909a6aee82f273ef4a3c50257a9524b17784ed
Markdown7acfcf7f5f6d5e35ed6ebc0bf44a308304ade26b8f596958c674a5a490fb01ab
PDF
Publication page2de9fad44ece5c55a6586e1365fa270e8d7908fce5ad9ff33c99797d13a480a8
Manifestb1a208301358c501770968f66dcb6079876b08973993f63c897a1f96469b9f5f

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
SignatureXCaEjTmLqw0DgIqBeUCWOmtVd1GuNDp2ND6QfEeHS2HnwXeFg4qYkR5/hDKdL/+VjLJTOXNn/NEvN4jD6cH3Bw==
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

2026-09-17T09:51:52.639639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086975
observed 2de9fad44ece5c55a6586e1365fa270e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.621788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086975/manifest.json
observed b1a208301358c501770968f66dcb6079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.603605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086975/publication.md
observed 7acfcf7f5f6d5e35ed6ebc0bf44a3083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.585630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086975/publication.txt
observed cedff6c4057c66f6da59a819b9909a6a...
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.