OpenTechnical

OT-2026-000046069

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000046069) never changes.

Identity and time

Publication numberOT-2026-000046069 · never reused
Internal UUID01a0ae7e-032a-743c-b109-e53a1aa31a04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046069
StatusPUBLIC

Content hashes

Canonical text42d1f492d51e75880b75f0f4058279fbd0f4b88a6cb50ad8072ff5eda708df72
Markdown29e3e69470fa08b38ef41342ab2d4faf723ad207568b674f18a4495974bc1a86
PDF
Publication page54936285857c16c9d26a53c769ee4293d72c1e4cd4ab2375572550a8fc1ea509
Manifest1cd1948c49b7d4cf433b327e6ffba49f0609011e994ceba5fd9b569ba376cb2d

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
SignatureGvNCgtnmWCmgrzkzFv7/wXDzu7ZI6BC1V0E62cxPM46wq6OA1pYEgC4T1kcFQV1tXKKOzO2xx8iXJK11WASKDQ==
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

2026-09-17T11:09:01.963411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046069
observed 54936285857c16c9d26a53c769ee4293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:01.946039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046069/manifest.json
observed 1cd1948c49b7d4cf433b327e6ffba49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:01.911526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046069/publication.md
observed 29e3e69470fa08b38ef41342ab2d4faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:01.876949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046069/publication.txt
observed 42d1f492d51e75880b75f0f4058279fb...
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.