OpenTechnical

OT-2026-000005571

Publication integrity record

Two finger mechanical gripper, three stage ejector, contact triggered on the face

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-2026-000005571) never changes.

Identity and time

Publication numberOT-2026-000005571 · never reused
Internal UUID01a0a93d-9cb6-7e24-ac8a-a52d244d4e6a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:02.457624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005571
StatusPUBLIC

Content hashes

Canonical textfce50c6dfe7e60130a5beab90b193df08f1f2cddddbc3af23827481ff47a6591
Markdownc17b57b7bb56288edaa093545f6e04e53d19f870e17c74c191e779719f4b31f9
PDF
Publication page32510119a35896f07db63cd1c955491c74d0bb8e3d19d7ff6eaffef638c05870
Manifest3b030c0f6cb4133c7f520378f71e2d193244a4f49137c8b02642e057f492e550

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
Signature9Pm/LmLFQcYC1TZj1DLgONdUC5e31FSjwD5m/fLtWhsog8mht/vMW772pM7S3RVTjzUGU9spBhRSKL7t/yP6AA==
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

2026-09-16T08:10:25.453998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005571
observed 32510119a35896f07db63cd1c955491c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.440490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005571/manifest.json
observed 3b030c0f6cb4133c7f520378f71e2d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.426940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005571/publication.md
observed c17b57b7bb56288edaa093545f6e04e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:25.412464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005571/publication.txt
observed fce50c6dfe7e60130a5beab90b193df0...
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.