OpenTechnical

OT-2026-000039221

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039221) never changes.

Identity and time

Publication numberOT-2026-000039221 · never reused
Internal UUID01a0ae78-9673-7e50-8174-264fa0395940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039221
StatusPUBLIC

Content hashes

Canonical text898b1db642fc454944979f1679e07d33959ee9e4f4b349deb3d1978ce7a09b6e
Markdown3920e945515dd4108c5cb124c03a44bc9fdd78b359f092bf31b6e167db7cabdc
PDF
Publication pageddbb4cd4e0cc4d48c4f657afedca3f7229f3cf69cbc9b5da866c1ae77d5ab5df
Manifest11eda7272f72bf41b2f116e4b76e7881b280c7c234029657ba7b87f9c63ab90d

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
SignatureaPOzm/g5IamVlECqCSOmENXqZ+xIclaStvV3h5YwvGq8Y5EBBHTSWqMWU4pX2ZJxtaxBl7KNT2fm4Xh2hfE6AQ==
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

2026-09-17T11:20:43.256805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039221
observed ddbb4cd4e0cc4d48c4f657afedca3f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.240905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039221/manifest.json
observed 11eda7272f72bf41b2f116e4b76e7881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.223549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039221/publication.md
observed 3920e945515dd4108c5cb124c03a44bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.207114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039221/publication.txt
observed 898b1db642fc454944979f1679e07d33...
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.