OpenTechnical

OT-2026-000022518

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022518) never changes.

Identity and time

Publication numberOT-2026-000022518 · never reused
Internal UUID01a0ae6f-f4fe-7994-92d2-269038c6499a · 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-2026-000022518
StatusPUBLIC

Content hashes

Canonical textbb1a34382b936fcb9a634af6f0b4488af20dddca6f2029a4639ddc68a1d1a48e
Markdownf368ae2eda37873e23bce57361f27f6fdaebaf4575b42ee2d9c540de850fdd43
PDF
Publication paged7a7aa6cea90c5a103bfb4b00e38c594138b2a73474d6031095cfb90851eadf7
Manifest2ad333b51a564a9330e603088358b276f4178933d37dd2fd7defe1c7c91e8a28

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
SignatureaREYA0CuNLfzj22c73fTKzELK1n1X/N/2+GUVkipwnVuFn9Qv973HAhjvr0d6v5ltifFAJ6Lve3y0bpbGDjUAA==
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

2026-09-17T11:53:56.898635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022518
observed d7a7aa6cea90c5a103bfb4b00e38c594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.881336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022518/manifest.json
observed 2ad333b51a564a9330e603088358b276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.863692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022518/publication.md
observed f368ae2eda37873e23bce57361f27f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.846835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022518/publication.txt
observed bb1a34382b936fcb9a634af6f0b4488a...
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.