OpenTechnical

OT-2026-000044697

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000044697) never changes.

Identity and time

Publication numberOT-2026-000044697 · never reused
Internal UUID01a0ae7c-39da-746a-aa8e-bcc8b0060bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044697
StatusPUBLIC

Content hashes

Canonical text5678e6a2dea0b26b394b3c90dc4b52e0158717ff91d09c71e8b84b625cb269a4
Markdown645ac4b66b64c3370d520771a023af427edcd7f4d240db1152cf8dbe7ee9baa0
PDF
Publication page5fce4566c1f7766cc2e3884eeed5e99e31e527f306012242d7fb255991dec2c8
Manifest6db20101624fea57e430a01dc79d98767093e8e8f8d1919925bf6ed3dd002b3c

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
SignaturejpEu3C6I23BSf7gD8bnq+p+PvO7/voiaB8PDu3wrYghcbtRB0j9p/snb+Oqw9FMdV3V0/AEPsK6/vSQW4CTkAg==
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

2026-09-17T11:11:57.373027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044697
observed 5fce4566c1f7766cc2e3884eeed5e99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.354470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044697/manifest.json
observed 6db20101624fea57e430a01dc79d9876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.334538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044697/publication.md
observed 645ac4b66b64c3370d520771a023af42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.314294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044697/publication.txt
observed 5678e6a2dea0b26b394b3c90dc4b52e0...
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.