OpenTechnical

OT-2026-000063385

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000063385) never changes.

Identity and time

Publication numberOT-2026-000063385 · never reused
Internal UUID01a0ae8c-f944-7776-a282-89ebc899b245 · 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-2026-000063385
StatusPUBLIC

Content hashes

Canonical text16ffcfdabaaea1c6d55cf28253142bcf42838d7b06c994b4fca7a2418ca8fdbb
Markdown559369cfd5fc7a56fe15a6555ba1cf482c76390fd3e19dabb69ec9203fff3974
PDF
Publication page712d3fbb039ce1218c2bee27c96982cb6dd90dfff1f6c66aaed4307f1db3f6a3
Manifest7849479909907a6207fd6605f37738bfec700e95de9b89790575d9b50518872e

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
SignatureSQj+sUamTrtlOn0az3Y4lgbeJ99j+B34xFdJU4kTRinm918Ha1iqAY8tnc5vfe79cTELzkaTj9hdzKjnn3PwBQ==
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

2026-09-17T10:37:17.917918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063385
observed 712d3fbb039ce1218c2bee27c96982cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.898799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063385/manifest.json
observed 7849479909907a6207fd6605f37738bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.880466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063385/publication.md
observed 559369cfd5fc7a56fe15a6555ba1cf48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.860670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063385/publication.txt
observed 16ffcfdabaaea1c6d55cf28253142bcf...
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.