OpenTechnical

OT-2026-000040421

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000040421) never changes.

Identity and time

Publication numberOT-2026-000040421 · never reused
Internal UUID01a0ae79-2701-7f01-b6af-b8e8ae309833 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040421
StatusPUBLIC

Content hashes

Canonical textf0a9c10e54cdd71426b52b6d069d9e7b4b677a2d25d9ebcd02241eb4c4620044
Markdown12cf92b698ccc69badf1084385100397076e13888d46fcd6f887a501ff873bca
PDF
Publication page0c1129ee267648a846adeeb5228542dd1a40390d26f1aac08dca4db6a3792c80
Manifestce574db3f462b6883f725d73cf2c3568de1ae23f0533dee1f6acbed83a7e6c72

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
SignaturesKO43UcN53wVJW9xuHk7MI3WHbROy6SU7eHzGxO7INbgjfuOpycjMrImvcHK+LuuAJVVK/qPktBvqu//IIrTBg==
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

2026-09-17T11:19:27.729353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040421
observed 0c1129ee267648a846adeeb5228542dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.709118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040421/manifest.json
observed ce574db3f462b6883f725d73cf2c3568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.690695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040421/publication.md
observed 12cf92b698ccc69badf1084385100397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.672814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040421/publication.txt
observed f0a9c10e54cdd71426b52b6d069d9e7b...
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.