OpenTechnical

OT-2026-000063612

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000063612) never changes.

Identity and time

Publication numberOT-2026-000063612 · never reused
Internal UUID01a0ae8c-f945-77d8-8557-b21447becd4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063612
StatusPUBLIC

Content hashes

Canonical textb7192dcd89066f5adf3457955a95f4065f216b434a3f616a85e156817da7dc16
Markdownbea95189787e1ac357c1f214517370fad11a4c873f6348030865add9842270cc
PDF
Publication pagedfef13adc539982595347fe907a485076c56ce1b4383adf131e2c35b2621fc62
Manifest5a9110b1071acdd9f8010678f4d02da26f328414ac4e5d95ee64200691414a24

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
SignatureAbbKYlArnT4amXkhozpxUZdHGd3X9gEN37UNykFyvXqZr5gTxKmXiLGMHcUkKtifD7E4EihTFVbxjlZDHKj/BQ==
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

2026-09-17T10:37:38.176438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063612
observed dfef13adc539982595347fe907a48507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.158955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063612/manifest.json
observed 5a9110b1071acdd9f8010678f4d02da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.141392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063612/publication.md
observed bea95189787e1ac357c1f214517370fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.122618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063612/publication.txt
observed b7192dcd89066f5adf3457955a95f406...
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.