OpenTechnical

OT-2026-000090811

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090811) never changes.

Identity and time

Publication numberOT-2026-000090811 · never reused
Internal UUID01a0ae9c-7f32-70f1-8991-d01f7a0cb594 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090811
StatusPUBLIC

Content hashes

Canonical text4dc4ff629589469670b6e31c051abe6b6fac345a0cd364307bf75b12ae1193f1
Markdown0f9b1128ea41471cb71926fefd9c035be5eb7035fd8f2f23347a1802b0ed2c53
PDF
Publication page7759bbde9f615c61fe603eefac940a67fb71cacf9db9ff1dcf1085f0833c1939
Manifest638f13e612713f83f66d5651ce14f2cdd5e31b6a648de909f0d1a6ccf0d72575

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/sYkZ8pvy9Kjj07KT0KLtyRb5MtUyVr9YBMUN52T2JGTpal3Sg999rLydupPoCsmdI5kfjGe63o3Qbd5n2oFBw==
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

2026-09-17T09:45:01.320377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090811
observed 7759bbde9f615c61fe603eefac940a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.302910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090811/manifest.json
observed 638f13e612713f83f66d5651ce14f2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.286704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090811/publication.md
observed 0f9b1128ea41471cb71926fefd9c035b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.269957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090811/publication.txt
observed 4dc4ff629589469670b6e31c051abe6b...
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.