OpenTechnical

OT-2026-000086480

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained 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-2026-000086480) never changes.

Identity and time

Publication numberOT-2026-000086480 · never reused
Internal UUID01a0ae9a-2c97-7a5f-94ab-be2f1ff78291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086480
StatusPUBLIC

Content hashes

Canonical text6b7df2ed9e2cbe2adba3b3e31384daae6166fffb05759c1a2df6fe21c58ae626
Markdownf88e2e10b5c7bf161cb4a8144268116ec3f795f1d591affdbcecd7d05f40772f
PDF
Publication pagec6674522baa21d42d72c5b22b486c3932fd583ad2eb3ed2e03df12887ed825b1
Manifestd954c3e942d85c814ed745a3177e705270730657fcba79e00666d1446e3ad07c

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
Signaturep60jUptll42bndhnMl1Q/lQieXgZjayjZ5Liefx29M8b83yGYGt0sw93DAd1lzVsdP4ieR6dEbXuCq2EMAA5AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:17.450392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086480
observed c6674522baa21d42d72c5b22b486c393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.431578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086480/manifest.json
observed d954c3e942d85c814ed745a3177e7052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.412077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086480/publication.md
observed f88e2e10b5c7bf161cb4a8144268116e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.394479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086480/publication.txt
observed 6b7df2ed9e2cbe2adba3b3e31384daae...
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.