OpenTechnical

OT-2026-000075517

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000075517) never changes.

Identity and time

Publication numberOT-2026-000075517 · never reused
Internal UUID01a0ae93-f202-74f2-bc12-416eeea860f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075517
StatusPUBLIC

Content hashes

Canonical textedc2be37730645f7d372d974cb5f7e7482a421d50167a2d574e403f22addbef0
Markdowna214e161862b5df560c1ed8d68cb90c8c1db35cbb0d4493f83fb91c7335affff
PDF
Publication pagee83ace355c8ed2310f9cf457e6c36c8f314ef04b7d47d47c913c2da67142bc5b
Manifesta39bc429cace007b89ba047a771a25f5389c3b971caece5a6fb7d11ead7683e6

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
Signature/a8ubN2z3nDEdYncBtcCXvwWlKka5anFwgIenHVOfOphNJEnbwIeRYCSdPg0qgtWvpLQIc5490cuzUT402xVAg==
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

2026-09-17T10:17:58.282145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075517
observed e83ace355c8ed2310f9cf457e6c36c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.263652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075517/manifest.json
observed a39bc429cace007b89ba047a771a25f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.245296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075517/publication.md
observed a214e161862b5df560c1ed8d68cb90c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:58.226051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075517/publication.txt
observed edc2be37730645f7d372d974cb5f7e74...
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.