OpenTechnical

OT-2026-000040549

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000040549) never changes.

Identity and time

Publication numberOT-2026-000040549 · never reused
Internal UUID01a0ae79-6d0d-7c76-83df-2408f0cff38b · 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-2026-000040549
StatusPUBLIC

Content hashes

Canonical textf7287736ffb5424630192d497845fdbd452e6f7f7f48d5fcef366d5592c8e678
Markdown07b746317fb07ba66650f53b7ab6f5c9f7e3abde2b53ba3e28dc5ce0caa3f4fe
PDF
Publication pageb055f29fbdaafca3fcf63a6c928c3b0cbf200a2c514dd3406c4227c8545e5a41
Manifest17454faccd332fe30e92a09c53cdb78f3865226474beb08cdc3730a1dfb8f220

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
SignatureWXdQzRWNANLaW5OANj/ffEA7EFZSDrL09j8vbceZvEnVFiwSoSSXz2pMf+TGkkSzYoGCuPmLok3MXzktHtLaBA==
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

2026-09-17T11:17:42.340988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040549
observed b055f29fbdaafca3fcf63a6c928c3b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.323031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040549/manifest.json
observed 17454faccd332fe30e92a09c53cdb78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.303623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040549/publication.md
observed 07b746317fb07ba66650f53b7ab6f5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.285152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040549/publication.txt
observed f7287736ffb5424630192d497845fdbd...
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.