OpenTechnical

OT-2026-000018701

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018701) never changes.

Identity and time

Publication numberOT-2026-000018701 · never reused
Internal UUID01a0ae6e-d520-7321-8641-016a13de03c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018701
StatusPUBLIC

Content hashes

Canonical textd215f068e9625a05725f9074b52e971e620b0b3f8728b039d809ae72a4383576
Markdown8e607c0164622f259fba029876622eabc4de1fcad6cb204d4803d5de4149da30
PDF
Publication page864326ced2d54ac67f6265e7a43277ae4f23dc847b51709f2563547d308c1431
Manifest9d9b00dd91fc311e0e4280d5ca1d146c2093e3423e2602860fc96cb0857e4db0

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
SignatureUE31pA56ruhEZUQg9iWQgTKbOuUEk5VL4/9pGySD7kssD8GjwkOF/+hwSOLz/VJmjtzpavLB5HPTELNi9uUmAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:18.192328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018701
observed 864326ced2d54ac67f6265e7a43277ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.174342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018701/manifest.json
observed 9d9b00dd91fc311e0e4280d5ca1d146c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.155407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018701/publication.md
observed 8e607c0164622f259fba029876622eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.137490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018701/publication.txt
observed d215f068e9625a05725f9074b52e971e...
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.