OpenTechnical

OT-2026-000087763

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087763) never changes.

Identity and time

Publication numberOT-2026-000087763 · never reused
Internal UUID01a0ae9b-1aa4-7d4c-bcc4-a3fbb1de9ac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087763
StatusPUBLIC

Content hashes

Canonical text5a76021fa3113ac4ea5c388c2cd992b0aec53dc1e4c7341f0350b83588c88341
Markdown3db876c0098fc568d7a2f07bec05f9e940c6831227ce0ea1013288a101d10c70
PDF
Publication pageb1641e8d5c8e2e237bfbb1e3d27fbecca03c2be4e98747535d43ebcbf8293140
Manifestcd59361740b33785be6343bec774fae614bee480f7665ea41e21b825369c80f7

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+HW9x9ACODLV1HzPUurA1oZ4MTcDthBO1HbVllUq7gKO0nB9vHoX48W3GF2mW6hgc7R5jYMb00WnyK9E4mM5BQ==
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

2026-09-17T09:48:57.682904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087763
observed b1641e8d5c8e2e237bfbb1e3d27fbecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.662576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087763/manifest.json
observed cd59361740b33785be6343bec774fae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.644140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087763/publication.md
observed 3db876c0098fc568d7a2f07bec05f9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.621673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087763/publication.txt
observed 5a76021fa3113ac4ea5c388c2cd992b0...
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.