OpenTechnical

OT-2026-000054408

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000054408) never changes.

Identity and time

Publication numberOT-2026-000054408 · never reused
Internal UUID01a0ae85-b3aa-75ad-a43c-1e3aec150b5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054408
StatusPUBLIC

Content hashes

Canonical text478d04618df3e3504015c48bbd9e4510e851a73a598699aa177bc1074b14683d
Markdown2d6441b554edd2ec77e4a07107e2e36146bdb0d83b7646b4ae122df9c4c6accf
PDF
Publication page44d17c64cac2e53bf0ab5c2ed802181db62c1e8a18a5424d52b5b498d2837a53
Manifest7d9a335c6639d479566bedd89fcf3ac6c8a6ec0fc27abb47ebbe64472f8d1821

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
SignatureZM29K77VKAVGLIkd9OF1ijPgA6/30Htm8a5wANh44ZXHpy7sAq9h5qAuG+fBSoeWoX450OikRNPlsqdlpY9NCw==
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

2026-09-17T10:54:57.240277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054408
observed 44d17c64cac2e53bf0ab5c2ed802181d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:57.222821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054408/manifest.json
observed 7d9a335c6639d479566bedd89fcf3ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:57.205267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054408/publication.md
observed 2d6441b554edd2ec77e4a07107e2e361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:57.186313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054408/publication.txt
observed 478d04618df3e3504015c48bbd9e4510...
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.