OpenTechnical

OT-2026-000100021

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100021) never changes.

Identity and time

Publication numberOT-2026-000100021 · never reused
Internal UUID01a0aea3-1474-7d59-9bbf-4bae1a927f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100021
StatusPUBLIC

Content hashes

Canonical textff3c1f77a18ae8363a6ea46f19df2fb03f41ecd64046717d5299c3692b28d10d
Markdowne04fb4dfe9ddee196e7314593ae9b801dced25770d2de29cc0d1fd1c9d562693
PDF
Publication pageb05a3d08f41d5900ad7e49264af5f378c26ec52f02e983f622d2bac99f8a2e8f
Manifestc76a8a27b636f5fe085ae471f3f2917efd9f6acfbe9a65a71fe042cd41e94980

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+dLDs56Uf/+JkvV6aq79L6oW/xdCx2f0xq8j+F2YQIfHJq79ErIcVfd7to0Ueti1DVQkY/pX5d9iwccnp0WWDw==
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

2026-09-17T09:28:57.315604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100021
observed b05a3d08f41d5900ad7e49264af5f378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.297314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100021/manifest.json
observed c76a8a27b636f5fe085ae471f3f2917e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.278075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100021/publication.md
observed e04fb4dfe9ddee196e7314593ae9b801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.258004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100021/publication.txt
observed ff3c1f77a18ae8363a6ea46f19df2fb0...
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.