OpenTechnical

OT-2026-000050601

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000050601) never changes.

Identity and time

Publication numberOT-2026-000050601 · never reused
Internal UUID01a0ae82-5c4a-7a27-a24e-91d1f140aeae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050601
StatusPUBLIC

Content hashes

Canonical text83e5a0745e82c68a7e6c958ee0360ca0baa16f068ca0bea4e2f38db17a516f72
Markdownbbc5179186b3fd9febb757e4ace2bffd07df368b2ff9e654df834e300cfd6017
PDF
Publication page6f8fdee5e3969a4ae476c69110692173dacc03329dedc69d5c08971c335a9f8c
Manifesta921242b459a611722a917f801a09f5175cf2ad8587b76010f881f39c75e846d

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
SignatureN/emFWRSswdbpgFoIsGb3Jrx+4HiTIm7wM16kYfxxk6UOtjlUbfclfXplJIxKvUKsfn7C34sM4j8pRP2FcmIDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:42.453648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050601
observed 6f8fdee5e3969a4ae476c69110692173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.433838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050601/manifest.json
observed a921242b459a611722a917f801a09f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.416538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050601/publication.md
observed bbc5179186b3fd9febb757e4ace2bffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.397455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050601/publication.txt
observed 83e5a0745e82c68a7e6c958ee0360ca0...
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.