OpenTechnical

OT-2026-000049169

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000049169) never changes.

Identity and time

Publication numberOT-2026-000049169 · never reused
Internal UUID01a0ae81-134e-7731-a5bf-33b2a843e381 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049169
StatusPUBLIC

Content hashes

Canonical text917ae239f7f2352698e8a066d97609d5a2bbd028aa79d8e003cba17dc466150c
Markdown7b0e5405e285adaa4f3d683b8c802f06e8c796b68b358b17c1b04467f4aa39cd
PDF
Publication page8ab5d268ab4b2a872b669a5a59e549fd592ccc3d9416aa8a16dc7b9de1c415a5
Manifest1a0b7b08c80ebe6a85a12f0edc20653a3abb32936fa30b3d6f346e039ca94056

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
Signature2JAAwEsmb32vfoSQJjCLT9mwKBPhjyOy+p2qS2DSKPSh9vyICZs3dD3XZ4J/ZJAKSwY8DFeq6r304mu9Xzd5Bw==
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

2026-09-17T11:03:58.165199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049169
observed 8ab5d268ab4b2a872b669a5a59e549fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.146463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049169/manifest.json
observed 1a0b7b08c80ebe6a85a12f0edc20653a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.127284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049169/publication.md
observed 7b0e5405e285adaa4f3d683b8c802f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.106484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049169/publication.txt
observed 917ae239f7f2352698e8a066d97609d5...
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.