OpenTechnical

OT-2026-000069759

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069759) never changes.

Identity and time

Publication numberOT-2026-000069759 · never reused
Internal UUID01a0ae91-185f-7d78-9840-c6c76704b317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069759
StatusPUBLIC

Content hashes

Canonical textbdd3bcedbe58519ad5410eaa6f12b1d9c34b04d7f97b58bb0097b85110f04684
Markdown95a23e5a0de8f7261bfc1ea9c05e2b45b785ba3332417043be57a329a831427c
PDF
Publication page690a592676a3a62fc3c74afa1e0c266129ac88587a6bb7b6970451b86cc2d3d3
Manifest5f435cc23b3c8bcaccdf4fbb4cc37f8e84a413710acf66d70b6a18781fd2382a

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
Signaturep8dbrYcgiVARjsRmO3uS/mgqZTYkxy+vG8aV5rTrNwNz6dnPJPsw7NZx1UpSPKSGaB3SQnQ8CDEwK9W3C7ZrDQ==
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

2026-09-17T10:26:34.860118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069759
observed 690a592676a3a62fc3c74afa1e0c2661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.842444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069759/manifest.json
observed 5f435cc23b3c8bcaccdf4fbb4cc37f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.824612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069759/publication.md
observed 95a23e5a0de8f7261bfc1ea9c05e2b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.807842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069759/publication.txt
observed bdd3bcedbe58519ad5410eaa6f12b1d9...
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.