OpenTechnical

OT-2026-000080655

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000080655) never changes.

Identity and time

Publication numberOT-2026-000080655 · never reused
Internal UUID01a0ae96-7e79-7b5c-a4cf-976c4ea6d762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080655
StatusPUBLIC

Content hashes

Canonical text5c7df15ef84a6135300c319608f4ea0635f6df76d7668f774d6876b6ae7c9388
Markdownb6048c1601a46b1bf00d7b21daaa5be6397f35cf38a81c300fbb6d70302ea3be
PDF
Publication page6dbaa1a35fafc5a72fdb075f62408e5b131b235d9ba5d80b1eff1f855b78d54f
Manifestf6fbc812ff964ea06d7f9a256b903bcff0459f1ba7cf0d4b475102c5d97ee68b

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
SignaturetXWjhHXPDWQ/3pDWumEQoG1wfXfZ6l48lDHPnSZBNHHjlq47SsiVXUd23YNDRiWbEw2Z2BnOhWqJbIF7pXxGAw==
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

2026-09-17T10:03:19.802885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080655
observed 6dbaa1a35fafc5a72fdb075f62408e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.774058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080655/manifest.json
observed f6fbc812ff964ea06d7f9a256b903bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.744086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080655/publication.md
observed b6048c1601a46b1bf00d7b21daaa5be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:19.707753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080655/publication.txt
observed 5c7df15ef84a6135300c319608f4ea06...
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.