OpenTechnical

OT-2026-000012089

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000012089) never changes.

Identity and time

Publication numberOT-2026-000012089 · never reused
Internal UUID01a0ae6d-1943-7fc1-a2ac-013e9533d9ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012089
StatusPUBLIC

Content hashes

Canonical text0d5874d2328ccc9784a1269657135708247b17687550453a78763631b88b52eb
Markdown5dfe380cf160790f853b520c8e716ed10855ee46ae921a087ed56dee730d929e
PDF
Publication page7e02459042c615156d99a0c0b16379a6ca368e0c8d974bfbe30460518a1de6c7
Manifesta277be7a9a20690680ea2fbf8b82fac41e32b9b07dd0f81d58d4bff6b9e51e0f

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
SignaturesCQRR2bczezLudh807yC/vWw73zH4UpAnAU7lPnZRHb2vrxtJWmhlpRCmRJ08rbLUZOd9oD3LMXF93CxBobICQ==
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

2026-09-17T12:12:58.829629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012089
observed 7e02459042c615156d99a0c0b16379a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.809332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012089/manifest.json
observed a277be7a9a20690680ea2fbf8b82fac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.787913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012089/publication.md
observed 5dfe380cf160790f853b520c8e716ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.766795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012089/publication.txt
observed 0d5874d2328ccc9784a1269657135708...
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.