OpenTechnical

OT-2026-000045722

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000045722) never changes.

Identity and time

Publication numberOT-2026-000045722 · never reused
Internal UUID01a0ae7d-8f04-71c2-9e7d-95eab7b0a74b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045722
StatusPUBLIC

Content hashes

Canonical textdbb7eff71eecbdde20a77b88d24ec9216c111728e35381c6ec4e880627d8c585
Markdownbda0d5d8075ea6dd3617a0a00239ed3fd72afcbef3e963011e30a490a0f00f21
PDF
Publication page12708414763c82ab11c64c704501429a02977d3982bc037db4dcd3e4a65620d5
Manifest4dd08c8f167554a8b9768b998c14a4085be040d5dc5c559c896de653eea1027b

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
Signature84B7DWZeCsp394lyeF/xxrjhmUeurgdlhY3Yti0QkDVU0t9oUXzGosbhLDDTx4Ln2AMRJizvtzGLRRIko2yGBQ==
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

2026-09-17T11:09:32.151506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045722
observed 12708414763c82ab11c64c704501429a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.132360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045722/manifest.json
observed 4dd08c8f167554a8b9768b998c14a408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.112796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045722/publication.md
observed bda0d5d8075ea6dd3617a0a00239ed3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:32.094687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045722/publication.txt
observed dbb7eff71eecbdde20a77b88d24ec921...
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.