OpenTechnical

OT-2026-000012309

Publication integrity record

Two cup vacuum gripper, two 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-2026-000012309) never changes.

Identity and time

Publication numberOT-2026-000012309 · never reused
Internal UUID01a0ae6d-39f5-74d3-bd33-412caead5a0d · 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-2026-000012309
StatusPUBLIC

Content hashes

Canonical text496dfacec3b865573db6f948f608585ba37b302428a0181b5f1a7c0784f3cc77
Markdown32e4d4c963fa077db95cec0402148def8a55611fc3469308eccdc83cb72b3f9c
PDF
Publication page7a95e00ae028a213c8575f048a9db61e3f34251589be78621b8af587af8e7d24
Manifestc2374ac89553210161af9e82cbe8516c0d397085367e3dae5b15f52f8bdabedc

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
Signaturesbf7YE/FHHlJTBLSjgjB+5UnC1xc1qrLAgBqgt1kuNhA7Ay15sMJBOb1CtK8NC0+xhGGKsh2xfjWcNklWg/DAQ==
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

2026-09-17T12:11:15.261782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012309
observed 7a95e00ae028a213c8575f048a9db61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.242482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012309/manifest.json
observed c2374ac89553210161af9e82cbe8516c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.224908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012309/publication.md
observed 32e4d4c963fa077db95cec0402148def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.207046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012309/publication.txt
observed 496dfacec3b865573db6f948f608585b...
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.