OpenTechnical

OT-2026-000043474

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000043474) never changes.

Identity and time

Publication numberOT-2026-000043474 · never reused
Internal UUID01a0ae7b-92ce-719d-bd24-54edcadd9a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043474
StatusPUBLIC

Content hashes

Canonical text454f7a4c186b8f10bdea6bc91851e055574dc629214b2b4701f1b11d4ec96ae7
Markdown3364333b9a945519d1106973fca549738819cabf65bfe2cbfbaa45a8f3344fdc
PDF
Publication page8dae15f1a215ff13147b729a19f0e58f022f3f0a2fc5a8f8f401548ef32c0fe0
Manifest5cba39012b57eb2abb242e491144845e21bc6d3d949c165ae62bf574f5888444

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
SignatureDON7QsJRMHCnVpXnvbPGqmQ3+dw5u7QLCfGgmxRzePan7D5WPBBkrdLBTr08tEQfeaAmCKWegIq7mVqZ2dKwBw==
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

2026-09-17T11:12:49.816289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043474
observed 8dae15f1a215ff13147b729a19f0e58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.796777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043474/manifest.json
observed 5cba39012b57eb2abb242e491144845e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.776920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043474/publication.md
observed 3364333b9a945519d1106973fca54973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.754978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043474/publication.txt
observed 454f7a4c186b8f10bdea6bc91851e055...
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.