OpenTechnical

OT-2026-000043148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000043148) never changes.

Identity and time

Publication numberOT-2026-000043148 · never reused
Internal UUID01a0ae7b-327a-73af-a473-f1bc263ac696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043148
StatusPUBLIC

Content hashes

Canonical text9539ded9fb4afdbce257bc9d3ff2a78a3da10c6843580b2b8e4734123343f42b
Markdown8a01be0fc2cfe023dd6150922fd346ffe4ac827424b7da012f533758315aad76
PDF
Publication pagec89e3a3fe44b874041721e0d97b9b0c430291b500bae27ab238531f6bfc7f610
Manifest8467df3d00dd811a5827fad73b60d416c2bd1bdbfdb045df810a99e92633cc14

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
Signature7wXEKefm/rMGMHestLbArHUGUu4J9w0v/u8Er2UX+4utsgu5uWqgrDNN/mR5b2WKn4pB+bJ65OY/XeHPAXqNBA==
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

2026-09-17T11:13:35.311863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043148
observed c89e3a3fe44b874041721e0d97b9b0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.293551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043148/manifest.json
observed 8467df3d00dd811a5827fad73b60d416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.274111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043148/publication.md
observed 8a01be0fc2cfe023dd6150922fd346ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.253965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043148/publication.txt
observed 9539ded9fb4afdbce257bc9d3ff2a78a...
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.