OpenTechnical

OT-2026-000013499

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013499) never changes.

Identity and time

Publication numberOT-2026-000013499 · never reused
Internal UUID01a0ae6d-6fcb-7fae-ab08-c4283b4cdc0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013499
StatusPUBLIC

Content hashes

Canonical text15431de94a0a0f28224050908f2b4e32936880ad3af65ae6911025536f697a48
Markdown811a9eed23aa230154aa640d34b4f791e058923ea3de5eb81248370b06fd2d13
PDF
Publication pagea28f92ffe9d711f03b39b6eae113a69c94fd96c0c32fb664507afa4643f43fa0
Manifest5146e56b3f59104790f892a945319f0a4021cafb9bb850ca31b15f8409f69087

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
Signaturel0qNr+/HulrUVK25o0/SWYJ01Y3N4JMdDBA38SjqeoK1HOGkfF84U5N+ffc2EgOhNcfIsomVMEEp3oZXKcETAA==
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

2026-09-17T12:10:00.452035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013499
observed a28f92ffe9d711f03b39b6eae113a69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.433396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013499/manifest.json
observed 5146e56b3f59104790f892a945319f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.412093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013499/publication.md
observed 811a9eed23aa230154aa640d34b4f791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.391795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013499/publication.txt
observed 15431de94a0a0f28224050908f2b4e32...
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.