OpenTechnical

OT-2026-000043201

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after set-down

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-2026-000043201) never changes.

Identity and time

Publication numberOT-2026-000043201 · never reused
Internal UUID01a0ae7b-327c-7025-b103-9b4614febec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043201
StatusPUBLIC

Content hashes

Canonical text59d2bf041536d004b490b1b5a8d93b396128521041e85450c26cb392c8acee88
Markdowne851a03dfb75944e3c8d3291e4d9ddec522f79f7b27b7dd9ac76cecdb6020d3c
PDF
Publication pagee74e9d2bba5490ac38202df819b97266f54689e9e71387898b56265083e2dacf
Manifest64eb8d7321fc2d2a8b55656767d80db6ad82da61f1c052902e707a9838f48685

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
SignatureDEqno5PTET1DF+2Rtodqj6Nofds/gh32g0S+m7vOSoWkU4AStNilHxptONMh/eUOgwFJimLHTWsdIGESOGI6CA==
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

2026-09-17T11:13:39.570027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043201
observed e74e9d2bba5490ac38202df819b97266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.551359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043201/manifest.json
observed 64eb8d7321fc2d2a8b55656767d80db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.534329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043201/publication.md
observed e851a03dfb75944e3c8d3291e4d9ddec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.517294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043201/publication.txt
observed 59d2bf041536d004b490b1b5a8d93b39...
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.