OpenTechnical

OT-2026-000064450

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000064450) never changes.

Identity and time

Publication numberOT-2026-000064450 · never reused
Internal UUID01a0ae8d-a461-7476-b6bb-5c2615f75a67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064450
StatusPUBLIC

Content hashes

Canonical text3e91c47fcb000180feee1c4a37960707ffdf73111e5bbf7cc44d411e0156fa8a
Markdown2d2800bfada2f336d08bf682eabea0c475596e873df7f918a5c79e57fbbf8a30
PDF
Publication pagef469708398f6c136d02e2bb31c0e6fafd84401fd3cf4166f08e0de26df10edb2
Manifest75a0477b79d993a845370a3ccbc87201c601c285c8c201ce3f5f8f2094104ecb

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
SignatureqZTvMTdQWBbm+vEs8bYoZeUJ+YQphjZQIo29o3gbS17+8OWbufAlikSyQfMEolsFh6MvV8UaNHYIPMHo0H0RDA==
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

2026-09-17T10:36:38.279441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064450
observed f469708398f6c136d02e2bb31c0e6faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.262292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064450/manifest.json
observed 75a0477b79d993a845370a3ccbc87201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.246383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064450/publication.md
observed 2d2800bfada2f336d08bf682eabea0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.228524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064450/publication.txt
observed 3e91c47fcb000180feee1c4a37960707...
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.