OpenTechnical

OT-2026-000015865

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000015865) never changes.

Identity and time

Publication numberOT-2026-000015865 · never reused
Internal UUID01a0ae6e-0c4c-740e-9373-11227c5ef3ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015865
StatusPUBLIC

Content hashes

Canonical text80c85136be4fc4d5256c7bea14d03bf7e702f715057e014dd7f35df3db5bdb80
Markdown07b0716068f63c02e4edd178936ed71cfdea063629b4de691543d75d1fafbd18
PDF
Publication page4dc8ffd1bda7f8e7c2bc24214f50b08aadc132088a921014ab96f20fca09c3c0
Manifest12681b48b34a7b4b4f61485c14892726cc4f8ca399244a1794ba6ce75fb09b41

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
SignatureZZU6EZ3y2ol7Hn+oH4tPP2i8w3S2qP2zD99Lq8mjWV1tXYcEim9XTQwnfuMxaFruGW8GExgmX8nWEBUJTfI7Cw==
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

2026-09-17T12:05:18.551189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015865
observed 4dc8ffd1bda7f8e7c2bc24214f50b08a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.531674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015865/manifest.json
observed 12681b48b34a7b4b4f61485c14892726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.511075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015865/publication.md
observed 07b0716068f63c02e4edd178936ed71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.492118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015865/publication.txt
observed 80c85136be4fc4d5256c7bea14d03bf7...
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.