OpenTechnical

OT-2026-000018504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000018504) never changes.

Identity and time

Publication numberOT-2026-000018504 · never reused
Internal UUID01a0ae6e-b48a-79db-86ce-510d11f17382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018504
StatusPUBLIC

Content hashes

Canonical textf8bed9c16ff5ca65f8a247969984afc2d884a620f23436d49fad2d8a573294d2
Markdown3abf1bc0e3709e923320072d2e4135af9c65bb918ffbb7d0440e6aebda6f2719
PDF
Publication page817fe22abbee27c2beb6f8cec42f978417a002171a9e9c23b74ae11bd7b72b76
Manifest087b887c4d2f33f3c6559c5929b9cc905e1a058fc9cf323a02d4590447190c4a

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
SignatureTEwteWX8z+e4tsZ3tpdGvvVuaRH2WmjZRD5EPrjmKwGSUptyS3gLXQOjYjeFcATt4axDn7KCrCM3yIXHx4kjCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:16.564196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018504
observed 817fe22abbee27c2beb6f8cec42f9784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.547107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018504/manifest.json
observed 087b887c4d2f33f3c6559c5929b9cc90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.530262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018504/publication.md
observed 3abf1bc0e3709e923320072d2e4135af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.512480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018504/publication.txt
observed f8bed9c16ff5ca65f8a247969984afc2...
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.