OpenTechnical

OT-2026-000062569

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000062569) never changes.

Identity and time

Publication numberOT-2026-000062569 · never reused
Internal UUID01a0ae8c-0ac1-7755-9b5d-55c14c506d3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062569
StatusPUBLIC

Content hashes

Canonical text12858d1d3e95fcd2629a5e9e7cf36ad71b592665253ff18b202f1d1ca73b5263
Markdownc798fa6d7541986452aee0f376f6f1434eab14519083b9944628593d6ced03f6
PDF
Publication page33e9c13b8ba4debae355ca2b3e84d161e7754d1a0037bf0833434df8f18aeab6
Manifest3f2c77cdcc688159bbc22c6cee0e83d2a01989f1f3157814ed1f3ea0bf2b866e

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
SignatureWgLtkrdPfSb6JxO5C+j33oqgaIPn5fYIjsHmBLip3bScroswcxsIs5fHP/SArzox7oDJZ7P0psKQZhrEwdMKCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:03.127641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062569
observed 33e9c13b8ba4debae355ca2b3e84d161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.107889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062569/manifest.json
observed 3f2c77cdcc688159bbc22c6cee0e83d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.086174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062569/publication.md
observed c798fa6d7541986452aee0f376f6f143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.065264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062569/publication.txt
observed 12858d1d3e95fcd2629a5e9e7cf36ad7...
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.