OpenTechnical

OT-2026-000062509

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000062509) never changes.

Identity and time

Publication numberOT-2026-000062509 · never reused
Internal UUID01a0ae8c-0ac0-7eb6-a271-c9f4c9498baa · 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-2026-000062509
StatusPUBLIC

Content hashes

Canonical text6948d3037d870c1ecb31f3eeb41fad5d4343b9054ae1bcf0f19473737ee8a285
Markdown792e1206500eb8d7aaf3700305447c376e5ccf55dd609fbbd156ceed087182bd
PDF
Publication paged6987f3e297ea503a42545591b56e64393482dd8b2d200768a351e1f38cdc118
Manifest85646a8e63a60de3ecd6b2887e0400e7df5226400d1844627078b9863e4a0217

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
Signatureooc9YZOrqe5SviLR/fSOHisdbkjb9f3gGQpoInrrafBrrYKP2F75Qa9w+TZS7rGI71Yot8FFFM/KQWp3DMs/AA==
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

2026-09-17T10:39:57.574942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062509
observed d6987f3e297ea503a42545591b56e643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.554012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062509/manifest.json
observed 85646a8e63a60de3ecd6b2887e0400e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.533553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062509/publication.md
observed 792e1206500eb8d7aaf3700305447c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.513230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062509/publication.txt
observed 6948d3037d870c1ecb31f3eeb41fad5d...
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.