OpenTechnical

OT-2026-000100402

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000100402) never changes.

Identity and time

Publication numberOT-2026-000100402 · never reused
Internal UUID01a0aea3-66ee-7a50-84dd-1173f8ba2c41 · 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-2026-000100402
StatusPUBLIC

Content hashes

Canonical text8c9361581552e07b3b9c4d1f66df4960811faad640e7522bc5dd109f13b25d22
Markdown3228d5e2a1e0e54763d23d9cefa090045b175feab453ef5bc78dabd8bcf250cb
PDF
Publication page1f11b05171ff5378b2741c45265d4db7a1aa8e3271b0c7a5a0b56ad1ed497fe3
Manifestaeed72bd55801cad28115cc00e08a9e39d92a99adee9641391e2398300b8afd9

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
Signatureoymmzn0mOg3gFKS777kGQHnM4Twd212ujdVerpRARgI26Hhya0jNj1a4BgcEiOTjIB/4Z24kj+Wehhpqvei5DA==
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

2026-09-17T09:27:08.406399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100402
observed 1f11b05171ff5378b2741c45265d4db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.388543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100402/manifest.json
observed aeed72bd55801cad28115cc00e08a9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.370379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100402/publication.md
observed 3228d5e2a1e0e54763d23d9cefa09004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.353191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100402/publication.txt
observed 8c9361581552e07b3b9c4d1f66df4960...
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.