OpenTechnical

OT-2026-000022467

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000022467) never changes.

Identity and time

Publication numberOT-2026-000022467 · never reused
Internal UUID01a0ae6f-f4fe-74af-8200-c231cf390f97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022467
StatusPUBLIC

Content hashes

Canonical text575168fa34d8b394ccf5326cac83d4f1dbc2c5dfe98c5d2f1ac5654795687e6c
Markdown32073a651d77f49eb069e7f1b7c6a952f067c437383ecc14408520353a017f4b
PDF
Publication page534a59a928d26a12bd01f8f88fd1a0a06904203ea6daba23fb3fbc2f32c58d7c
Manifest59694dd4e91afb1ae41bd78ddd12077abca03c7fe1cb3751e2943fbf38d1cfd3

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
SignatureJl/p2/vvIBO3U/x0ZbiHAh9gk7SFHpuR5bOCXrRiyWhVRBEo7I4ygjlFFkEUE9g/Yj74eE+NgKI0ze6uSYwCCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:52.093045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022467
observed 534a59a928d26a12bd01f8f88fd1a0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:52.076608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022467/manifest.json
observed 59694dd4e91afb1ae41bd78ddd12077a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:52.059825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022467/publication.md
observed 32073a651d77f49eb069e7f1b7c6a952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:52.041417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022467/publication.txt
observed 575168fa34d8b394ccf5326cac83d4f1...
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.