OpenTechnical

OT-2026-000014506

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000014506) never changes.

Identity and time

Publication numberOT-2026-000014506 · never reused
Internal UUID01a0ae6d-b27b-703e-9102-51d7a51d47e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014506
StatusPUBLIC

Content hashes

Canonical textec3b4c437c8c3bbd842e9c236522ee831d1bfb278087f87533cc313cda0eebc5
Markdown689c6d1c9fc9201402c8579f1039fc9ec6da65ee39c31b30be427e2f1f93b7b5
PDF
Publication pageda743fb7304e2831aedb47f88f7887bbbc5a3bddb628f087bd7009519af4c0bc
Manifest843e306de553b1302628d04a5e9cd488439828766ac16136ac000d42b1b373b8

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
SignaturePfT6ZusOXCCYAKUFYWrNHUfV2Flfwc5OUMGGtdP0FTe1qhF7t8yQXCkG0BpW2oKPTsde6gfh0mox67U0ZU9aBQ==
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

2026-09-17T12:10:20.187904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506
observed da743fb7304e2831aedb47f88f7887bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.169252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506/manifest.json
observed 843e306de553b1302628d04a5e9cd488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.148984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506/publication.md
observed 689c6d1c9fc9201402c8579f1039fc9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.129613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506/publication.txt
observed ec3b4c437c8c3bbd842e9c236522ee83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.750771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506
observed da743fb7304e2831aedb47f88f7887bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.734487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506/manifest.json
observed 843e306de553b1302628d04a5e9cd488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.716413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506/publication.md
observed 689c6d1c9fc9201402c8579f1039fc9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.698419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014506/publication.txt
observed ec3b4c437c8c3bbd842e9c236522ee83...
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.