OpenTechnical

OT-2026-000029778

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029778) never changes.

Identity and time

Publication numberOT-2026-000029778 · never reused
Internal UUID01a0ae73-5e24-76b2-9257-0b4278e8de4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029778
StatusPUBLIC

Content hashes

Canonical textb5c19f2a3fa681859e5958218245447eeff0a9093708a7f0d81d7eb9d8ce51b2
Markdown4f43edaba253a767e0bf46022a535cda9be6ee8c81c58ff49750dffbbc763f60
PDF
Publication pageb306a0665fd8227d6af332fcb5b0282ee9e606027652ef8c59449fa8c614fd1c
Manifest8aed8d2a2ad7629036abbb618d9d89544d03e166c0251d42ff947581b90d7b54

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
Signature9NOYNInCBGOk/vvVvJXGELjajplKLHf3IvQzzsoSu9I/YX/BlJ+rt/KWyKNri8uKcqMPv0Yci5QFAfKvvyS1BQ==
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

2026-09-17T11:39:32.728402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029778
observed b306a0665fd8227d6af332fcb5b0282e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.710373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029778/manifest.json
observed 8aed8d2a2ad7629036abbb618d9d8954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.693026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029778/publication.md
observed 4f43edaba253a767e0bf46022a535cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.676141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029778/publication.txt
observed b5c19f2a3fa681859e5958218245447e...
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.