OpenTechnical

OT-2026-000043497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000043497) never changes.

Identity and time

Publication numberOT-2026-000043497 · never reused
Internal UUID01a0ae7b-92ce-728c-b274-0088d0c943b1 · 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-2026-000043497
StatusPUBLIC

Content hashes

Canonical text01336af7e9253e4d8403302b1f9831eb31caf1c7849b7d594dbf58f6759e213b
Markdown54368a64f540a704947a541b2c13eac7793d3591287c85df3383e9170858c703
PDF
Publication page4365640b8714009e7bfbc655720ba992993eab6267aa75a160a01d27a75db0be
Manifest733637c1bdbd90a6846c28e7eb24c1fbb5097071ceb386b0732e53ec5f942edc

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
Signaturex+uspfYCz8lzX/uEM0jL8c27FazchS/VDHjquJolhJLlG6hNc72HXf5t8GAIzA4W7ihJBVMa+i3mmXPbHkvQDg==
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

2026-09-17T11:12:51.758320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043497
observed 4365640b8714009e7bfbc655720ba992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.739803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043497/manifest.json
observed 733637c1bdbd90a6846c28e7eb24c1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.720289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043497/publication.md
observed 54368a64f540a704947a541b2c13eac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.701778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043497/publication.txt
observed 01336af7e9253e4d8403302b1f9831eb...
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.