OpenTechnical

OT-2026-000005470

Publication integrity record

Porous face vacuum gripper, three outlet manifold, three stage ejector, pressure verified, contact triggered

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-2026-000005470) never changes.

Identity and time

Publication numberOT-2026-000005470 · never reused
Internal UUID01a0a93a-0691-7cc4-bf2a-8f5fe34f6048 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:07.411115Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005470
StatusPUBLIC

Content hashes

Canonical text8012e1da986db9f96e0113d281815bd396569cbcd1c2351d1e9f6af35f1426bd
Markdown7b3c5b80b8ef1478e290a25cdf49d93bfc790120bf76cd33052256be4fe7fec2
PDF
Publication page4a72d8329d03e3d7fa769ac118220de8f7d83332eaafd85f3a5d2f8d6b2bbb9e
Manifestfdcc0bb8e5cf0b318ea5fcf0e1a098e969ec049b86213eff1e1aed06c0d307ad

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
SignaturezNHrj0cfXDSR23g2jg10DCKhGbQcBqJj0t5vgNXtO52uNy+FKAT1xQZS3ufvhdmaPgJLl5BZaK8VcAOqBUVxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:05.637708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005470
observed 4a72d8329d03e3d7fa769ac118220de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.622054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005470/manifest.json
observed fdcc0bb8e5cf0b318ea5fcf0e1a098e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.485023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005470/publication.md
observed 7b3c5b80b8ef1478e290a25cdf49d93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.471341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005470/publication.txt
observed 8012e1da986db9f96e0113d281815bd3...
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.