OpenTechnical

OT-2026-000041108

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000041108) never changes.

Identity and time

Publication numberOT-2026-000041108 · never reused
Internal UUID01a0ae79-b142-7ca0-aaec-260428d03ac8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041108
StatusPUBLIC

Content hashes

Canonical textf65cdbe772a6d91d1c1404c1a0e838bc4ad29e258ec762ede429c52368a97770
Markdowne06d0532b3f8989da344bbdb76e880901e61fb84c2697f733645b0eb599ab6f7
PDF
Publication pagec45f716edfcb73857933731af63321d7686a720f5c7c8e60c002cd113619fc75
Manifest9eb317b9cda385d04fe995eadc916d46f09c2f2f965a90f83c1040bd9d6bedab

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
SignatureJwARjJ8Yvex6g2nSECq+U7tqF+MTedG1mZ+lTJmXkSReY5vNO/4H2sTw7Ig0kwtfReGMlHixdqaXxYRgXhW+BA==
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

2026-09-17T11:17:01.755735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041108
observed c45f716edfcb73857933731af63321d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.739093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041108/manifest.json
observed 9eb317b9cda385d04fe995eadc916d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.720881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041108/publication.md
observed e06d0532b3f8989da344bbdb76e88090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.702461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041108/publication.txt
observed f65cdbe772a6d91d1c1404c1a0e838bc...
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.