OpenTechnical

OT-2026-000084002

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000084002) never changes.

Identity and time

Publication numberOT-2026-000084002 · never reused
Internal UUID01a0ae98-5b5d-7d94-ae6d-6a60f200da18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084002
StatusPUBLIC

Content hashes

Canonical text1ae51b82fce2f6c0dee94fdc12d0e7d801e3f24162b6c3f80fd13bd47f0037bb
Markdown627cb07d8a3ee01d77b1589d80da1d7c7cd71613f7534696bdac12f1f1e44441
PDF
Publication page3422cc9438212543e71710beb085f03765a2139fd2658a7b57508b38a43c95e0
Manifestc9a33bccf8d5a55a89bba8db81329d87b76e6691d69b30031f696fdb135f7c79

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
SignaturecdYZq8nhg8Iajc4lYJzRysHhkV89TwcU999GWypzaQK/wuL6Tek5crzgsRvu3nz/Id/6QUhdPEEoUTee3EixAQ==
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

2026-09-17T09:55:43.115786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084002
observed 3422cc9438212543e71710beb085f037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.098444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084002/manifest.json
observed c9a33bccf8d5a55a89bba8db81329d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.080759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084002/publication.md
observed 627cb07d8a3ee01d77b1589d80da1d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:43.062351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084002/publication.txt
observed 1ae51b82fce2f6c0dee94fdc12d0e7d8...
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.