OpenTechnical

OT-2026-000012545

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000012545) never changes.

Identity and time

Publication numberOT-2026-000012545 · never reused
Internal UUID01a0ae6d-39f7-7652-b52b-58d587f66233 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012545
StatusPUBLIC

Content hashes

Canonical texte4dc0d6d940ebe9f6c53401cdbb5dc3eb9ba1ea7bc78992ec9b4e6747cfc82cc
Markdown196bc6d7911408e32386c5a85bc98a33b731b590bd95760d931f7f0d8772885e
PDF
Publication pageb0e3a33a0117df4e5fbe88a1dd21f12dcade31e82fefefcca54e3492aa6f7a91
Manifest3091f7cd3e1dad9fd95e7ec1fbb63543285f99391597d707623a6dda4276ee95

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
Signature/wMDUu0JCVbSIUnpjCp4GOFPJBgfMmtiqhENotqYK3MKdwn0QxDdPl0cCACrCFAXAJiU/BUD2zdW4Kmv6CW4BA==
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

2026-09-17T12:12:05.141436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012545
observed b0e3a33a0117df4e5fbe88a1dd21f12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.116078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012545/manifest.json
observed 3091f7cd3e1dad9fd95e7ec1fbb63543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.091154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012545/publication.md
observed 196bc6d7911408e32386c5a85bc98a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.069144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012545/publication.txt
observed e4dc0d6d940ebe9f6c53401cdbb5dc3e...
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.