OpenTechnical

OT-2026-000043938

Publication integrity record

Two pad foam 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-2026-000043938) never changes.

Identity and time

Publication numberOT-2026-000043938 · never reused
Internal UUID01a0ae7b-d678-7f01-a71d-197a0afbd47f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043938
StatusPUBLIC

Content hashes

Canonical text6e470dba851df7a51ca0ad379cf92706c4c26ad2649b17b59db0a6e0d0936149
Markdowna235ed9a4f173550e83dffcd5721d0414945eb42b318b5944d8c82274e815564
PDF
Publication page8ebc3b8495bcd5719470947c88323ced0fdab07c50760fac9dd0ef68b1351c95
Manifesta96f30dd2dd18cbd21731aac01cef44a43469944f8290fea0b06cf67e6206e5a

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
SignatureRWkPpjfinqVdoDjQpkCKBM4dXRX7xWWxTdHaUUefIMnoFTHaqPRccGXFLuXkbgNFykhVTaguHb+SPMBoDYt3BA==
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

2026-09-17T11:12:17.347877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043938
observed 8ebc3b8495bcd5719470947c88323ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.327227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043938/manifest.json
observed a96f30dd2dd18cbd21731aac01cef44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.307823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043938/publication.md
observed a235ed9a4f173550e83dffcd5721d041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.288152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043938/publication.txt
observed 6e470dba851df7a51ca0ad379cf92706...
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.