OpenTechnical

OT-2026-000012182

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000012182) never changes.

Identity and time

Publication numberOT-2026-000012182 · never reused
Internal UUID01a0ae6d-39f5-7fb3-8440-b7d61702d323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012182
StatusPUBLIC

Content hashes

Canonical text7640935f693d1cd4b5be35ecbb34243f8d904d1441603f0c674b44936debeb1a
Markdowna6492c7c704734cfdea392a255ecfc7dff9753bb51fb16085814a515af227982
PDF
Publication pagefb6d0fc9ea8bce1d18c3ab3cefb7d5ebf7cea29e5fe7c5fce69eddbce47ab67d
Manifest097079063294af56314ab0647bbe2052127c3c260c5c8be7b3e51e7f9d415868

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
SignatureE7uJb5WwX9hQ2lqj1c0jN7JKQXdZeVeW9Mpfc3z5icGXl1CfyuHKATiYuMSpA6ZMUk5xgOHXpmoOo1LqkoQiDw==
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

2026-09-17T12:11:05.185789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012182
observed fb6d0fc9ea8bce1d18c3ab3cefb7d5eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.164896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012182/manifest.json
observed 097079063294af56314ab0647bbe2052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.146623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012182/publication.md
observed a6492c7c704734cfdea392a255ecfc7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.129616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012182/publication.txt
observed 7640935f693d1cd4b5be35ecbb34243f...
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.