OpenTechnical

OT-2026-000073118

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000073118) never changes.

Identity and time

Publication numberOT-2026-000073118 · never reused
Internal UUID01a0ae92-efb5-79b0-8020-b82e64e6073e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073118
StatusPUBLIC

Content hashes

Canonical textc1473ac1a15255e18c233ee6db14966511001c3c6b41c769ee88cbe5726f38c4
Markdown2d13eed4fa50b2b0477d49140e32935c639d3250ac6e15df73538cc4088f2209
PDF
Publication pageac0bd9c769e0a79d271d7683f253b9ee04313fce82c97b8302f3d01d933267db
Manifest59531f0bb644146e8d12eff42965c1e7dc9077867b3dea9d3458c570a5f265e0

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
SignatureN2GPPavyh0wz2gHmIbtjHYUZSxQMf0YoWNisSrLnbcuRFq1weEj4n10rynkaIdpZOl7d5X0izvcyWkuEVYCmBA==
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

2026-09-17T10:21:02.863839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073118
observed ac0bd9c769e0a79d271d7683f253b9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.845537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073118/manifest.json
observed 59531f0bb644146e8d12eff42965c1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.826701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073118/publication.md
observed 2d13eed4fa50b2b0477d49140e32935c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.809183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073118/publication.txt
observed c1473ac1a15255e18c233ee6db149665...
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.