OpenTechnical

OT-2026-000100873

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000100873) never changes.

Identity and time

Publication numberOT-2026-000100873 · never reused
Internal UUID01a0aea3-c376-7175-a5bc-efeda8409a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100873
StatusPUBLIC

Content hashes

Canonical text1a3fee447dd1ed3053d3ebd4998d77a0176f0835e9ebd74265facbf9804741d2
Markdownf1cb880b30fd0482a03333bc4d02cc435b5c0b4204c32478e6fe50e76d0f2899
PDF
Publication page104a1be469b7b95657ef9bb0cee0a7673d0e91ff9127e15580dde3ad41d76024
Manifest71e097ae1277c3921c242d009d85fbba9a8dbce15e5cc81c0d6c404c0ea6c8d6

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
SignaturexyZqG6/JAODhQPEUWtghsO9g0pk5otCqyXSqBI9bcqp6HKJCIzh2MkPyEMcpEoqJfpeytACH74MxjqXwAEKYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:21.686867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100873
observed 104a1be469b7b95657ef9bb0cee0a767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.630573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100873/manifest.json
observed 71e097ae1277c3921c242d009d85fbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.612103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100873/publication.md
observed f1cb880b30fd0482a03333bc4d02cc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.500619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100873/publication.txt
observed 1a3fee447dd1ed3053d3ebd4998d77a0...
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.