OpenTechnical

OT-2026-000068208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000068208) never changes.

Identity and time

Publication numberOT-2026-000068208 · never reused
Internal UUID01a0ae8f-c4ff-7d7e-8845-40f95a80f89d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068208
StatusPUBLIC

Content hashes

Canonical texta8f1976754a64c23adf14b103aef079a26a2a9747263e768eef98b7c958c291b
Markdownb4dbfb36ccfb545cebd79bc22404771b69be8b9e95fba42de5c9aa3b42b2986d
PDF
Publication page05a0d7cf10cbd21e4c5ce22cff6474e30af1d651a2083bd2ab5c88ff02837a06
Manifestb6b6b4a55e5dd3b8fe553cdd284ec710d84362a9ce0b9237e14f4b85a62b3f54

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
SignatureKXV/wDczJLGqCtCbwM74OtRdIJfvzNkD0KgzeHfrBujglpmxFVhnhqiD75/tYUyyY98d7axc7eA++HIzkdxOBw==
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

2026-09-17T10:30:52.256494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068208
observed 05a0d7cf10cbd21e4c5ce22cff6474e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.238583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068208/manifest.json
observed b6b6b4a55e5dd3b8fe553cdd284ec710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.221696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068208/publication.md
observed b4dbfb36ccfb545cebd79bc22404771b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.202911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068208/publication.txt
observed a8f1976754a64c23adf14b103aef079a...
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.