OpenTechnical

OT-2026-000022437

Publication integrity record

Six cup vacuum gripper, six 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-2026-000022437) never changes.

Identity and time

Publication numberOT-2026-000022437 · never reused
Internal UUID01a0ae6f-f4fd-78d1-bf86-42ec17c79a5f · 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-2026-000022437
StatusPUBLIC

Content hashes

Canonical text1cb2e8fd8dae976811a09381dcbb595dbea4878e1fe881a3bac528cd7129a749
Markdown1b6af7688d6a131dd726d73560323398214ec81add85827f041879148dbc3cfb
PDF
Publication pagea690c1af8f7c298ca8d1fa7773b41416cbbeee1fe173d0815fd293492abd3108
Manifestaff99184254f3cdcafbfe909ace1ebbea9bd78fd12e30abbd0a30d09a5df8eff

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
SignaturecyMJ68ebMumn1KuONyB+Y4DOtsbdoI+OFNeAGdcoZ8NS3QmfH4BxznNVOEj9pezh+otSWkS60zuqBtCBNIMSCw==
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

2026-09-17T11:53:49.820135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022437
observed a690c1af8f7c298ca8d1fa7773b41416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.802585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022437/manifest.json
observed aff99184254f3cdcafbfe909ace1ebbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.785141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022437/publication.md
observed 1b6af7688d6a131dd726d73560323398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.767082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022437/publication.txt
observed 1cb2e8fd8dae976811a09381dcbb595d...
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.