OpenTechnical

OT-2026-000018169

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000018169) never changes.

Identity and time

Publication numberOT-2026-000018169 · never reused
Internal UUID01a0ae6e-b488-733d-ac08-a6a60858bc92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018169
StatusPUBLIC

Content hashes

Canonical textf9fbdd43679ae7f38c438df010c4625c7ed1b57900987e325ed388d2a6f11686
Markdowndcfb3bb3914d0b70865a8d18d0b43f95bd6fbca4e9fa6d6a8773819d555c7afe
PDF
Publication pagedd421a151d106dbbe0653f76b8987e2644af6a71a0d49f07948b430abaef7802
Manifesta4fb665b40a36e12ced83554d317951ff3cfb4b4b9da8a0f658cb044ee01c885

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
SignatureO+EN1jqI4L6hun1WTmOusBzlcBkjw/S3SVXTiuaKqputF8lMUeLeeCkh8dG2Hfl3yWWHrXevLwFwz0GSnQklCw==
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

2026-09-17T11:59:56.386651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018169
observed dd421a151d106dbbe0653f76b8987e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.367326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018169/manifest.json
observed a4fb665b40a36e12ced83554d317951f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.349212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018169/publication.md
observed dcfb3bb3914d0b70865a8d18d0b43f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.329542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018169/publication.txt
observed f9fbdd43679ae7f38c438df010c4625c...
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.