OpenTechnical

OT-2026-000077349

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000077349) never changes.

Identity and time

Publication numberOT-2026-000077349 · never reused
Internal UUID01a0ae94-f509-7419-8ea1-03cb9dbf74ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077349
StatusPUBLIC

Content hashes

Canonical text90f1799e8c42f1f0a308b99d285f32af80f3b6f81382bef28b189c279b769d0b
Markdownbf2c23762305a54a7614aed6a64e7ac1d2ff0cf0c31a7ea0d1354fbef9fad78d
PDF
Publication page34a19a572c696222b460735ae99b4932a7fcadc71a2df10c91687ab491fc01d4
Manifest8dc48c025ac9f1ca89ceeeeae9040186e489d3f32aa3bd66e2005fb9d4f8939e

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
SignatureAoknWTxgiXR424xwhhuDuWYhyeRFLO/VdOlF3U1IpXitHtv0ywnlmCY8VZhA3stzOhYMYNA+akVQHYFA7C/OAg==
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

2026-09-17T10:08:59.511365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077349
observed 34a19a572c696222b460735ae99b4932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.490183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077349/manifest.json
observed 8dc48c025ac9f1ca89ceeeeae9040186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.469129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077349/publication.md
observed bf2c23762305a54a7614aed6a64e7ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.449790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077349/publication.txt
observed 90f1799e8c42f1f0a308b99d285f32af...
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.