OpenTechnical

OT-2026-000086047

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000086047) never changes.

Identity and time

Publication numberOT-2026-000086047 · never reused
Internal UUID01a0ae99-e82b-7448-a59b-b240919f51c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086047
StatusPUBLIC

Content hashes

Canonical text7e2890018b65862b2daa1f4106a8fe89663a0071efeced3292c1ae7579d9d2b9
Markdown89f6b05365850a1754346288b5c7c8e7476cb53b0edb3e9ce9f4861ceacc9bb4
PDF
Publication pagea88cd409ba021a039bb3756bb37d520bf89079747a7a9c5527259644ecc42b36
Manifest35cecae2211e95b89daab7ecd8bda2b51142950d8c131594f7b98be1363c3a26

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
SignaturebY9TXg2JCSrZ60n4j8Y7KtbmcBWERHRm3ApIrqDEkQ7aCFCfdEZaS3FVr34jkKlCFRS5KD1h+4R6lcPJKOxnCA==
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

2026-09-17T09:53:02.491768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086047
observed a88cd409ba021a039bb3756bb37d520b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.475540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086047/manifest.json
observed 35cecae2211e95b89daab7ecd8bda2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.458534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086047/publication.md
observed 89f6b05365850a1754346288b5c7c8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.440115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086047/publication.txt
observed 7e2890018b65862b2daa1f4106a8fe89...
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.