OpenTechnical

OT-2026-000025540

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000025540) never changes.

Identity and time

Publication numberOT-2026-000025540 · never reused
Internal UUID01a0ae71-5fa8-7793-8cc4-17dad6d81836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025540
StatusPUBLIC

Content hashes

Canonical text74d33d2da0623321518c33f909132cb4977a4d4711fa0f33ee5efcaef73abb15
Markdowna55760593f6b7bab12a45fdeb18854e7195d46ed9ca447b242cdab6073c38e18
PDF
Publication pagef74442e50df0084705d6739f7c08f344e4262372398f3fd7113d861ccdd26d4c
Manifest0ed6950b08cfe170aec60c2ef7efdfd1be90bef9308cf5a0f6bd38b7936f308e

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
SignatureTNVK2S7XZGKbgYQjIBHD2UElteszsllaxn2ZuVAXsVLGMPwrmkZO3Khv6MV5xyXoI2YM2uTrWke4R0vaHIdxDQ==
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

2026-09-17T11:47:41.256850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025540
observed f74442e50df0084705d6739f7c08f344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.238451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025540/manifest.json
observed 0ed6950b08cfe170aec60c2ef7efdfd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.218164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025540/publication.md
observed a55760593f6b7bab12a45fdeb18854e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.197176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025540/publication.txt
observed 74d33d2da0623321518c33f909132cb4...
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.