OpenTechnical

OT-2026-000045544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000045544) never changes.

Identity and time

Publication numberOT-2026-000045544 · never reused
Internal UUID01a0ae7d-8f02-7e3c-aa65-b2ceed10ad55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045544
StatusPUBLIC

Content hashes

Canonical text68943a449df6045478d5ad1269a868d0166b2652f2983d9a0dad3ea51028900f
Markdown17937dcb1ff0068595041b9f65ea62ceadd2dfb39f63591c9d3958c1e2ec2f46
PDF
Publication pagec3e8058ec240c24c21253891da235c7d3b948449a27713c3f8d11188ae4d1c27
Manifestf6975ace32bc5fc20ef1cd176d65354639a667018b4ce2eb358bd054c7292cf9

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
SignatureIGtz6HPTXiegiYRKvEzUSn6qpMU8ERyCc7+PipLQ9U2JFLZkHG+50yEbe5DVUm53LegiBAkawz6AoFDWEBqlDg==
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

2026-09-17T11:09:17.682818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045544
observed c3e8058ec240c24c21253891da235c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.663950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045544/manifest.json
observed f6975ace32bc5fc20ef1cd176d653546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.645016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045544/publication.md
observed 17937dcb1ff0068595041b9f65ea62ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.625726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045544/publication.txt
observed 68943a449df6045478d5ad1269a868d0...
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.