OpenTechnical

OT-2026-000063979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000063979) never changes.

Identity and time

Publication numberOT-2026-000063979 · never reused
Internal UUID01a0ae8d-53bc-7299-a4f0-0fc8391e59d3 · 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-2026-000063979
StatusPUBLIC

Content hashes

Canonical text0ae59c9df5377003875864a671d8816ddc5fd8ad8c1555582da156fa1eb556e1
Markdown6c6b7b5b2945641f2a1c0cc1d46394713f54a406c08eb35ffab8fb1fcc7469fc
PDF
Publication page5966cd9e209bc3c6954f785dc3825ba80de7791144d55aa21fdf6f642eed72f5
Manifest87c596f247e61bd3f678cfb6745c491ddd825d3a5f5fae2f1fdd74a67a5c82b5

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
Signature14c+wwu5FOhWhDa1PgW6Ln4VHct/LtR5lobQYdenLZlzacPX5aqa8902IhtNmUvl7joNzldWrQp3LsVuNrgYAQ==
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

2026-09-17T10:37:02.901540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063979
observed 5966cd9e209bc3c6954f785dc3825ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.883662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063979/manifest.json
observed 87c596f247e61bd3f678cfb6745c491d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.861408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063979/publication.md
observed 6c6b7b5b2945641f2a1c0cc1d4639471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.841636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063979/publication.txt
observed 0ae59c9df5377003875864a671d8816d...
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.