OpenTechnical

OT-2026-000062332

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000062332) never changes.

Identity and time

Publication numberOT-2026-000062332 · never reused
Internal UUID01a0ae8c-0abf-7cbf-a55d-8acea0037549 · 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-2026-000062332
StatusPUBLIC

Content hashes

Canonical text28305684c790bd98ec7b3f1880d27d3e724e77b640e62c74eb03e9c1d9ee5c25
Markdown7d39e40eda20df8c0d7786e7469227163dd440035cb70830b72b0a708b65aaa3
PDF
Publication page9a97058b57396b1e4ba70c1f994a79460fea0c5ae645eb0e39a2b6db5bc4434a
Manifest819b5e4d8b79cda177bb03fd6b0f682ba5b782ea53212fbfc48ab802263ae951

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
SignaturePc0kXSmhT81wiu6sNzAyPZIG8DCrG5rdKIvYt606BNgJ87sc2dPUTECJoMMdOgFuy0xsSO+DL4ntkAVeSkIUDg==
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

2026-09-17T10:39:38.463534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062332
observed 9a97058b57396b1e4ba70c1f994a7946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:38.444379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062332/manifest.json
observed 819b5e4d8b79cda177bb03fd6b0f682b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:38.425311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062332/publication.md
observed 7d39e40eda20df8c0d7786e746922716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:38.406204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062332/publication.txt
observed 28305684c790bd98ec7b3f1880d27d3e...
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.