OpenTechnical

OT-2026-000068929

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000068929) never changes.

Identity and time

Publication numberOT-2026-000068929 · never reused
Internal UUID01a0ae90-6dcc-7f44-a4e8-beba718f6060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068929
StatusPUBLIC

Content hashes

Canonical textc6de0a25b0dbfae622021a585ff77195c87b0b130584241a4f0f0c8cf72f49b2
Markdownae7ec5fd47bf84bad4e885c3c02a16ac486d6d1ca4c5479a80e1e1c3c999cc72
PDF
Publication pageee9f4066caf0abaa4990450dbf7cb817a930cf8fdd9bca1b22d85b1a7d75e559
Manifest4f023185a58f76b9836d75fef8236345103b06dae5e66148cae469dcb78acf39

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
Signature1HtVWHc5D2iFLMn92ARFHgSx2hdDG3i5cWvlnJi/6eI29jfOe66tKTxDV/ciX2r6p2pj9gT/rTJ0PguPVszdBQ==
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

2026-09-17T10:28:45.502386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068929
observed ee9f4066caf0abaa4990450dbf7cb817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.485233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068929/manifest.json
observed 4f023185a58f76b9836d75fef8236345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.464497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068929/publication.md
observed ae7ec5fd47bf84bad4e885c3c02a16ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.427088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068929/publication.txt
observed c6de0a25b0dbfae622021a585ff77195...
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.