OpenTechnical

OT-2026-000066405

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000066405) never changes.

Identity and time

Publication numberOT-2026-000066405 · never reused
Internal UUID01a0ae8e-ce40-7429-8193-21f2d3a7b562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066405
StatusPUBLIC

Content hashes

Canonical text42911471c62014b8bbd8a6c358995a2b251e44097b8f0068d158489eee33ee07
Markdown81a0c31c45456f7a2aca9969a16120e43f5abe0d6b0cfc295f22c7e4de3344d9
PDF
Publication page4aeb0ed696c74ab34e4fa7ca8c352e0d1a5fe6504f45ea5e4b89bfcb3a06889a
Manifest4b25fc7851122a3626622137b6ecc34fbdb0ff99063ba019fd5346afd1964dd7

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
SignatureCyjkEg0kFzbXXkvbdsvk0y8e43yMRR14mdSCUVurZ+7bbHKXVi5a0epOuMtWmSnQrOdY1x7nGVOFXaa9Bva2Cg==
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

2026-09-17T10:32:38.536910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066405
observed 4aeb0ed696c74ab34e4fa7ca8c352e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.519441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066405/manifest.json
observed 4b25fc7851122a3626622137b6ecc34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.503084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066405/publication.md
observed 81a0c31c45456f7a2aca9969a16120e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.485177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066405/publication.txt
observed 42911471c62014b8bbd8a6c358995a2b...
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.