OpenTechnical

OT-2026-000022459

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000022459) never changes.

Identity and time

Publication numberOT-2026-000022459 · never reused
Internal UUID01a0ae6f-f4fe-760e-bbde-457e71286931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022459
StatusPUBLIC

Content hashes

Canonical text10a7c91ba778480ef8336c7a716d12dfd415fa533a3fd71a5f9185d781e07196
Markdown5dfe559e315202f60b4c6c8b2955e87cde418cc2a001f152dac738635c5376ee
PDF
Publication page115c96cb716e8b3e0c639ef28d2ff28a263cb9e975653b36d3b995205654c590
Manifestc31f8c808afcf22f12eac177ae40ddf35f13dd26ec89fe4bab24ca6290004696

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
SignaturezOKkSgt7Lsj+p90d06c+W2yFjK25ITNaJsydnyswnMsk2Fys3bZN6FjdZA+Hg2Y2WRJstEhD24+tUEQjNV9XDA==
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

2026-09-17T11:53:51.473479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022459
observed 115c96cb716e8b3e0c639ef28d2ff28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.457173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022459/manifest.json
observed c31f8c808afcf22f12eac177ae40ddf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.439398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022459/publication.md
observed 5dfe559e315202f60b4c6c8b2955e87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.421115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022459/publication.txt
observed 10a7c91ba778480ef8336c7a716d12df...
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.