OpenTechnical

OT-2026-000012113

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000012113) never changes.

Identity and time

Publication numberOT-2026-000012113 · never reused
Internal UUID01a0ae6d-39f4-7665-a9c1-00b5a27c3e20 · 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-2026-000012113
StatusPUBLIC

Content hashes

Canonical texta53d6c45828a7549eacbf260690f9f3c33590c9afd6800f6e9a0a9750d6f74aa
Markdown2aa8c48cbaebd1680030a74624cf36d542590b47168f9cd4e064d53f3c28e32e
PDF
Publication pagec8ebf1606476109850d473ebd2bf4de3951a801c4345de12c9c34b74876521ad
Manifestaa3fbd45690b8f885d5153cdef0aabe0b2504446989c1270ed5746f2716ef95c

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
SignaturebSLA/1hZHec/Su+ZADHlZI3ZrILRsuHz5f5myEviVi51IhOgDkE5KbH/Jx6/WCKDbIv041wCbAjllPSYPhEjCA==
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

2026-09-17T12:10:59.587287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012113
observed c8ebf1606476109850d473ebd2bf4de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.568054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012113/manifest.json
observed aa3fbd45690b8f885d5153cdef0aabe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.548350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012113/publication.md
observed 2aa8c48cbaebd1680030a74624cf36d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.525549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012113/publication.txt
observed a53d6c45828a7549eacbf260690f9f3c...
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.