OpenTechnical

OT-2026-000005317

Publication integrity record

Vacuum cup gripper, six outlet manifold, pump fed, pressure verified at each zone, polyurethane cups

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-2026-000005317) never changes.

Identity and time

Publication numberOT-2026-000005317 · never reused
Internal UUID01a0a935-3d49-7f51-8dee-f13edcf1c108 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:53.740122Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005317
StatusPUBLIC

Content hashes

Canonical text21440e82e15985c15c3b53d61255778c1ff9e9bcc96215c28513f55606038857
Markdown2fcbe5d003bb6cef4d36a9ebb0ef93f9d06d9868667fb174154cef420087c78c
PDF
Publication page169a68871b49c25e15f1f09371843a681a51cc70659932da116f158585e495b8
Manifeste5a976da2adc0f66c5fb66b402612119a7cb356eb2c6bf51a60810da45c2b2f4

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
SignatureIoKDZdB14y5IHLXegcr788h9KGMzfb9zACZqnHOH2JIuErg0QizZmO+Rb8K30jwAEBgO5JU61LpZR8N/cv7zBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:23.379227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005317
observed 169a68871b49c25e15f1f09371843a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:23.243008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005317/manifest.json
observed e5a976da2adc0f66c5fb66b402612119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:23.229533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005317/publication.md
observed 2fcbe5d003bb6cef4d36a9ebb0ef93f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:23.216250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005317/publication.txt
observed 21440e82e15985c15c3b53d61255778c...
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.