OpenTechnical

OT-2026-000052136

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052136) never changes.

Identity and time

Publication numberOT-2026-000052136 · never reused
Internal UUID01a0ae83-e78f-7a44-805e-f13302b1353a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052136
StatusPUBLIC

Content hashes

Canonical text0d6b15fef73865e41710d1f49783d7909e70ebc0c92bc38d6bd9c0f9d5fbc6f1
Markdown288bae9e3530db0f4d5fe6203c1faabf5cc9f1ed86f55dec8ebe22a1d2cce599
PDF
Publication page1dc2fb8914fd05cd2c5506ba87ef6dc6407d1881585062b502ef23efe1fdcfa6
Manifestd76ec69344f5c81915429e49a77b475f242cbce8d4530ce59049a499b19ffd02

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
SignatureJ5WpTh3XX6Wzsei42CZmjkG+4yqRnvHU+8nPECTfVqx4A4kAUa8aSCOdbaXJrFsDaGJSef1MPy5X9u6dq9vWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:41.146160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052136
observed 1dc2fb8914fd05cd2c5506ba87ef6dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.126858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052136/manifest.json
observed d76ec69344f5c81915429e49a77b475f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.109280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052136/publication.md
observed 288bae9e3530db0f4d5fe6203c1faabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.091139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052136/publication.txt
observed 0d6b15fef73865e41710d1f49783d790...
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.