OpenTechnical

OT-2026-000041612

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000041612) never changes.

Identity and time

Publication numberOT-2026-000041612 · never reused
Internal UUID01a0ae79-e8a0-7ecc-9e24-d5eb544e76fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041612
StatusPUBLIC

Content hashes

Canonical text234e529ea5aa164fc3d8e79c4c79fff02017d26afa4e6a9bc22953fb7715439d
Markdownd5ad0a1d142a61b8329bbeb7355ac193f9ffb6a078deadf75a1c5ba82dadd48b
PDF
Publication page7e14045e95a345581711315a55a2df7ef23b8dbb37fa7a8d555487729bc814e9
Manifest5d591ebfbd7a4836b6f27b9adf7ec132db0a4951d1e736edfedb78c85e44fd64

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
SignatureOTXJ8nf3cxFNNyPBfuCRD1X90jXreBIUnHEm6oLK6eIH/GA3ZltgcTXVtZmjp8LpeAeHSH/lzZUgZDpJCIe5Ag==
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

2026-09-17T11:16:24.341592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041612
observed 7e14045e95a345581711315a55a2df7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.325462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041612/manifest.json
observed 5d591ebfbd7a4836b6f27b9adf7ec132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.307325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041612/publication.md
observed d5ad0a1d142a61b8329bbeb7355ac193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.291171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041612/publication.txt
observed 234e529ea5aa164fc3d8e79c4c79fff0...
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.