OpenTechnical

OT-2026-000084496

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, sustained 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-2026-000084496) never changes.

Identity and time

Publication numberOT-2026-000084496 · never reused
Internal UUID01a0ae98-e259-7951-a80d-ad4d99aeac59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084496
StatusPUBLIC

Content hashes

Canonical textade801faa27f64863bfb70129c4f1cb891e1ce13560b7bb4bc758a80484d35bf
Markdown7895b85190fcadd641cf565a0294c7eb225d8618978ccf821a7357e292b9c8c3
PDF
Publication page1aac17426b427fabe8c55d74dad5565dfe8f57ff11b2258799f9dc17e66340f0
Manifest25096a486e10829f2687a9b053aabd0ed50ffce4c62d1c509712818b3af4367f

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
SignatureLyZ3XD++wrnDtibZ52hLJFN1ethgXFm36Yx45lMfBEuSQyTKHrt6Y+7XUBhqYJzP6wuGS53yVXvOrnYdoRubDA==
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

2026-09-17T09:55:22.198674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084496
observed 1aac17426b427fabe8c55d74dad5565d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.180539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084496/manifest.json
observed 25096a486e10829f2687a9b053aabd0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.162311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084496/publication.md
observed 7895b85190fcadd641cf565a0294c7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.143979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084496/publication.txt
observed ade801faa27f64863bfb70129c4f1cb8...
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.