OpenTechnical

OT-2026-000063959

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000063959) never changes.

Identity and time

Publication numberOT-2026-000063959 · never reused
Internal UUID01a0ae8d-53bc-7fec-9aa6-be96aeb7143e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063959
StatusPUBLIC

Content hashes

Canonical text4ef3b241a6d20211ec5a78e600e803ef2930b51df7f50ce7af0070f824dacd45
Markdowna43c8f6d50e5b5f3b8d6338deec5bce0762c2070e5c44ac3f0d12c7da8bc4366
PDF
Publication pagea382fa98aa9a45685e3bc9d20244b2857c5678a522a95d9cf36530f42cf43d1f
Manifest772d28dd6b1b98372a3059b4139473ab1f3204bcdf4089a9562eac3abf35c748

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
SignaturepLcLeXHsTYyu+WecBC2YbShCa1cK9uIdmpSsqX0G6VCOcyV7lBpxTXJNAARQUxbKCWuQ529wLp4TKwuFdvCcAA==
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

2026-09-17T10:37:01.338402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063959
observed a382fa98aa9a45685e3bc9d20244b285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.318247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063959/manifest.json
observed 772d28dd6b1b98372a3059b4139473ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.299786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063959/publication.md
observed a43c8f6d50e5b5f3b8d6338deec5bce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.280473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063959/publication.txt
observed 4ef3b241a6d20211ec5a78e600e803ef...
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.