OpenTechnical

OT-2026-000070761

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070761) never changes.

Identity and time

Publication numberOT-2026-000070761 · never reused
Internal UUID01a0ae91-8c2c-72fa-b567-2bb45adc1577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070761
StatusPUBLIC

Content hashes

Canonical texte38fc5b203e9d7e2a2e340e50d500556d4e46572dac48715c136bd8a812d46ab
Markdownf8c0067a86dfd02b62049b63e3f737b3da5b27ad2e239ab76ae75a4e2a65235e
PDF
Publication page4bca05ebdbb31b2933248564f2774273a5bd61b4866462bc7775b39921a55a1e
Manifest169ac8d2487717d8cf75be0546fa003469374d18283d7f2ba383228e6ae5ba35

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
SignatureOfXRPIcVb4FepaD6iRLsXXkbNvXXlToj3IceQVw1M9fvE1V8gAGi6dat7ZSZZJVvfOsnDaiTR9SiSjDELouDBQ==
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

2026-09-17T10:25:27.637162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070761
observed 4bca05ebdbb31b2933248564f2774273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.620420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070761/manifest.json
observed 169ac8d2487717d8cf75be0546fa0034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.603896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070761/publication.md
observed f8c0067a86dfd02b62049b63e3f737b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.587119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070761/publication.txt
observed e38fc5b203e9d7e2a2e340e50d500556...
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.