OpenTechnical

OT-2026-000030810

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030810) never changes.

Identity and time

Publication numberOT-2026-000030810 · never reused
Internal UUID01a0ae74-3fb5-7fef-820c-93a2e9d56917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030810
StatusPUBLIC

Content hashes

Canonical text815e9829a3873491b304eb9686355e4ff3db8b8b40029f6ceb36b2cbe02080b1
Markdown88b0c753de000e561aaa8419ffd5b779204c86e41a9041ab30beb61d184c6fdd
PDF
Publication page96bd7c3ed76541268ebeee37a65c8b5cd9dabd75fe029c378a2a364cd0c8e712
Manifest2ee42689b05a76b29b5eb35a2532d97c9860821c1750c3a565e106c90a9847da

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
SignatureVmWVLMfRVXKgxqBlXDHns0BRY44iTJCDtkAwOjqALG5sUPR0ZCdet8qcJOHcFOrdN7kiiDp5LkoT+oYM0wQ+Cw==
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

2026-09-17T11:36:47.194901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030810
observed 96bd7c3ed76541268ebeee37a65c8b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.176993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030810/manifest.json
observed 2ee42689b05a76b29b5eb35a2532d97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.159616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030810/publication.md
observed 88b0c753de000e561aaa8419ffd5b779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.142352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030810/publication.txt
observed 815e9829a3873491b304eb9686355e4f...
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.