OpenTechnical

OT-2026-000040684

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000040684) never changes.

Identity and time

Publication numberOT-2026-000040684 · never reused
Internal UUID01a0ae79-6d0f-7c1e-a264-90069df55eaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040684
StatusPUBLIC

Content hashes

Canonical text49ec47340c8a723551968437adc7127f9d30444e2f7a7ff37bbdebfc6612c052
Markdown18fe943250ffc324d6ae043509422a7b3a7e62c0ff718888134df2f9ebca5809
PDF
Publication page96b0fa454ba4fb4d5ef5dbd4f97c302691d1950d205c2d730ce2d892b7f60db7
Manifest839b4815701f7a12d657d1973fe32a41ee9f1c57d6e0d13d4788ba8f42d1d06a

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
SignatureKodtZEHiHgNBC4my9vBAXwmtmDrZYs6C2VCGuvRPCMGMmj6yyiCMc6Cx3llZvAZKM/hTQD1KSaWA40470u0aDw==
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

2026-09-17T11:17:52.827376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040684
observed 96b0fa454ba4fb4d5ef5dbd4f97c3026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.810390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040684/manifest.json
observed 839b4815701f7a12d657d1973fe32a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.792550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040684/publication.md
observed 18fe943250ffc324d6ae043509422a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.776920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040684/publication.txt
observed 49ec47340c8a723551968437adc7127f...
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.