OpenTechnical

OT-2026-000067323

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000067323) never changes.

Identity and time

Publication numberOT-2026-000067323 · never reused
Internal UUID01a0ae8f-6bd6-7c33-a3d1-8b033cbc70a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067323
StatusPUBLIC

Content hashes

Canonical textedabd8f533b272f53b43876f29c6ba61e5e53e8ecafd1172760b4a2e42395941
Markdown08000d283a22b4fadff5a40f74bafcd4ceeb404dbf28602f99bcc9637df71a60
PDF
Publication page980851f66bd2580174fedc12127e913c64f6b393f8afdab902173cdda477c264
Manifest630e2a9d123a1b5d3ce4bf1f14b3b2bd96db447b071bbcfb3fd23a985aabf4ec

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
SignaturebNTIo9RxTDYb+UzDYU9JgEoEtU9eyt8umA4oohWpXGrwI2/ZrO/62d0vzebE7VESDUI69D9x0UbxTkjMLc9VBA==
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

2026-09-17T10:31:30.116256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067323
observed 980851f66bd2580174fedc12127e913c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.100269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067323/manifest.json
observed 630e2a9d123a1b5d3ce4bf1f14b3b2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.082658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067323/publication.md
observed 08000d283a22b4fadff5a40f74bafcd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.063999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067323/publication.txt
observed edabd8f533b272f53b43876f29c6ba61...
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.