OpenTechnical

OT-2026-000100536

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100536) never changes.

Identity and time

Publication numberOT-2026-000100536 · never reused
Internal UUID01a0aea3-66f0-7b8e-be98-0f95690437e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100536
StatusPUBLIC

Content hashes

Canonical textf57eaad5b3fa03966558e1ed8f0d1d6f3338ff0c63abbff91979672ba6136fb9
Markdown9d701d36f764ec297eccd94370118debf9e7d5dc202a798dfed713db23f76421
PDF
Publication page7a3d1e4e55381f28de0e6def225862c9dd1000d113f490901a29378b56d6f785
Manifest6eb875fafa29bda2760cee956d93a364b8c4b4f2643bdf4e14300c571bf45ad5

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
Signatureoe6A8g6UWzFrRWDwSt4IcevvJsqYsQ9rNmvHdd74rHrxM5Ub9L26kJmxWD5lJUU2K7G4wSepY39A8CKW8ktYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:18.511544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100536
observed 7a3d1e4e55381f28de0e6def225862c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.493513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100536/manifest.json
observed 6eb875fafa29bda2760cee956d93a364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.476326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100536/publication.md
observed 9d701d36f764ec297eccd94370118deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.458576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100536/publication.txt
observed f57eaad5b3fa03966558e1ed8f0d1d6f...
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.