OpenTechnical

OT-2026-000074842

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000074842) never changes.

Identity and time

Publication numberOT-2026-000074842 · never reused
Internal UUID01a0ae93-ac2c-7808-b2d4-d494a95d4109 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074842
StatusPUBLIC

Content hashes

Canonical textcb7e8ac3f53122d5c0211e590314fcbe8450fa8ac8e49b4da97809a4e0563e2e
Markdownaf6c84039c56b902a3f0433727c0d8249d656d6e0bc91c82a322d88354dc8c59
PDF
Publication page2ebc18841031cfe9765dd6bb6fa72f599971ac1ad3e9eab1b79e46f63904da57
Manifestd588af436f113498524419ac1a39a439e9330185afc05b23535380bbee0b2b2c

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
SignatureFq/V1xvycUCo2pFbpWFr6LYR6piixERNFc2PLNHvKf2FRv655mQgLbkn91FL2U8B+OMp0swirT23jU+qAPR0DA==
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

2026-09-17T10:18:33.221560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074842
observed 2ebc18841031cfe9765dd6bb6fa72f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.203168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074842/manifest.json
observed d588af436f113498524419ac1a39a439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.186292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074842/publication.md
observed af6c84039c56b902a3f0433727c0d824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:33.168054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074842/publication.txt
observed cb7e8ac3f53122d5c0211e590314fcbe...
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.