OpenTechnical

OT-2026-000012429

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000012429) never changes.

Identity and time

Publication numberOT-2026-000012429 · never reused
Internal UUID01a0ae6d-39f6-7a39-b34b-1095e3950721 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012429
StatusPUBLIC

Content hashes

Canonical textf6a6b4e911e073196b1aca4bbc61f37b589ded783e45b7bd03db46ee8957bb36
Markdown5ae8ae454c9c618006d05fe33a01c6862dfacafb3e803853aeb05cef43d36c8d
PDF
Publication pagea506dc1f9b71d188445636d21994089a76aa1f19f5b4aa9483b38d310314fd4e
Manifeste8942840fd6287b2240f8266b47c38aecfc7f11c6178ba43d0d4b39f0ec3c872

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
SignaturelFsDY2feA0D22sB4ASj3dty23WKcy6sgyDhHW1cYx0doudAyIMkKECJ2Wf4FzQmtflMA6QFmZGttKv6QrgLSDg==
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

2026-09-17T12:11:55.648779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012429
observed a506dc1f9b71d188445636d21994089a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.629604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012429/manifest.json
observed e8942840fd6287b2240f8266b47c38ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.611020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012429/publication.md
observed 5ae8ae454c9c618006d05fe33a01c686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.594764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012429/publication.txt
observed f6a6b4e911e073196b1aca4bbc61f37b...
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.