OpenTechnical

OT-2026-000063489

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000063489) never changes.

Identity and time

Publication numberOT-2026-000063489 · never reused
Internal UUID01a0ae8c-f944-7559-a498-ec4a86430191 · 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-2026-000063489
StatusPUBLIC

Content hashes

Canonical textb188c99ba73989e4b845c2b259224edb711123fc3df3d3a0c5076ae89bafa67f
Markdownb0c1e4db1b2fe9f3b44ef9b2f11f4f1ef446afa7520bbc723cd7847a4c51133b
PDF
Publication pagee87ccf683ca4e799b2d7a6dc08766d59b0350919dc0861d82a385913881d89d1
Manifestaa84501ecf6f2664d0e20e38b3832148e66314e6786c6d9bfe7c75286b4cb98e

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
Signature3jG6C+INHcZPkzHHjnU7e6yiiIBil8qjWoMw0diwgBQriFxamnjQjDV0kvIJqft8iG+jVXFFyoUdOO4Ln9mzCw==
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

2026-09-17T10:37:27.933822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063489
observed e87ccf683ca4e799b2d7a6dc08766d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:27.912516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063489/manifest.json
observed aa84501ecf6f2664d0e20e38b3832148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:27.894074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063489/publication.md
observed b0c1e4db1b2fe9f3b44ef9b2f11f4f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:27.873340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063489/publication.txt
observed b188c99ba73989e4b845c2b259224edb...
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.