OpenTechnical

OT-2026-000066676

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000066676) never changes.

Identity and time

Publication numberOT-2026-000066676 · never reused
Internal UUID01a0ae8e-ce42-7335-8662-e2ff0a47229c · 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-2026-000066676
StatusPUBLIC

Content hashes

Canonical text41eb3ac9dd865e79a9a23e02c520cfcf138675d64319436506fed0c2feabe304
Markdown5ad3f99c03e027f124d1b11b5fafa771e537bd534bcfe58caf693c4435983f9d
PDF
Publication page4303ee3ee48e3f282ae284dd4bd54aa540c2d2ecc7d94e0894b09c29b3bf02fa
Manifest3f147c3314273e4ed82108d61236d07d3b64f0a599b8c2b9c5382b1d158865f4

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
SignatureFrFy+tTLmloqCOeXWvuFJoCiV4vtS5oxa6J8O/5WpCrn7ulG4T3IngeQ8l8QnBR4bUtFhDw/ScD/2fRpzTamCQ==
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

2026-09-17T10:33:04.173485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066676
observed 4303ee3ee48e3f282ae284dd4bd54aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.153502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066676/manifest.json
observed 3f147c3314273e4ed82108d61236d07d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.133839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066676/publication.md
observed 5ad3f99c03e027f124d1b11b5fafa771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.115102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066676/publication.txt
observed 41eb3ac9dd865e79a9a23e02c520cfcf...
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.