OpenTechnical

OT-2026-000079563

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000079563) never changes.

Identity and time

Publication numberOT-2026-000079563 · never reused
Internal UUID01a0ae96-0b92-7487-b0f4-1e75b8e5102b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079563
StatusPUBLIC

Content hashes

Canonical text2abf2dbfc35175ff0c6fca0fbc9800d5010c9379cf9d362a14e5dd85e32aa884
Markdown6a7e8cdae4b71c903eff6e1f2e1e95ddb61903d388495a2a5420b161b70b1b89
PDF
Publication pagea3668d115e0120b15fa232bbd7a3414becf9c372e848948da3d50e91e05f0c55
Manifestda27fd2ca8509f00c8fbec0e4fa7b070368edd0bcebb5707d974d329f07cc497

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
Signaturew/hqh7c3EFd5Fs0Y5xZBLxDDSxbgKgfp3QXi/QvvmiZcSAK1JIBBK+4mnUCsI3V/b3duOsenXxD4V+jaN7WOAw==
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

2026-09-17T10:05:12.719944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079563
observed a3668d115e0120b15fa232bbd7a3414b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.703522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079563/manifest.json
observed da27fd2ca8509f00c8fbec0e4fa7b070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.686448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079563/publication.md
observed 6a7e8cdae4b71c903eff6e1f2e1e95dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.669653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079563/publication.txt
observed 2abf2dbfc35175ff0c6fca0fbc9800d5...
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.