OpenTechnical

OT-2026-000063233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000063233) never changes.

Identity and time

Publication numberOT-2026-000063233 · never reused
Internal UUID01a0ae8c-94ab-7713-b120-23b5836949f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063233
StatusPUBLIC

Content hashes

Canonical text342e3a75b27a0b429832a32abc2c1086cf39370bbe73ba1f3c6403ebec21394c
Markdownaa62da2ba74de01f8e6961aeda79b4e461c93f88ce73ff6f3607cc075260dfbf
PDF
Publication page4bfaf560c4bb3863785d3ec1112d9883dec6c81fb884a64ccc2553a9392d4864
Manifestff0ef753fa068a100b9c07b9d860853e332ed4933dc73d0207cc6de3db298f7a

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
SignaturepTIpihNDZbKcfBRUNuSMPdsUxTNYzYB36zJ5N7NaKfXnH1xesAYDQlyiszAz36mgtaOmSe0dM3fs3l6jWws9BA==
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

2026-09-17T10:39:06.828171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063233
observed 4bfaf560c4bb3863785d3ec1112d9883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.810554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063233/manifest.json
observed ff0ef753fa068a100b9c07b9d860853e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.792493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063233/publication.md
observed aa62da2ba74de01f8e6961aeda79b4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.775998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063233/publication.txt
observed 342e3a75b27a0b429832a32abc2c1086...
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.