OpenTechnical

OT-2026-000096487

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000096487) never changes.

Identity and time

Publication numberOT-2026-000096487 · never reused
Internal UUID01a0aea0-a4a9-7f14-9147-366d5a684134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096487
StatusPUBLIC

Content hashes

Canonical textb56b668cf0ca8c7b7c3d6aea52acc391d5cfbf99dccbb1d3301ea991d466b9fb
Markdown3da6d8b019268c79a58f687df15f7028f7a71469d59c5b4aed4f2bf150e970d4
PDF
Publication page2847b99f5bc13ae0c765758cb475138091d653a80a5efec39761cfb104301cc9
Manifesta430cf1073349da899f222f66b5f1c4da8c3b5102ef7e9bff204037894193cc5

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
Signature3ODypdXT3GYn5f3zRPZYcoueC1erK83wsrigP8VHOG0R7JAc9nAcVgapziaTqL3/XZ7/ZVB/CQnymYVdTOB/Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:49.049117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096487
observed 2847b99f5bc13ae0c765758cb4751380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.032030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096487/manifest.json
observed a430cf1073349da899f222f66b5f1c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.014333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096487/publication.md
observed 3da6d8b019268c79a58f687df15f7028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:48.996040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096487/publication.txt
observed b56b668cf0ca8c7b7c3d6aea52acc391...
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.