OpenTechnical

OT-2026-000043069

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000043069) never changes.

Identity and time

Publication numberOT-2026-000043069 · never reused
Internal UUID01a0ae7b-3278-7d3a-b719-a29b7be51f40 · 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-2026-000043069
StatusPUBLIC

Content hashes

Canonical text838990e55f50a3f8baa1c18abeedc0a8a47a1a3bc34f15fe381f16a1ee7ac8ba
Markdown831941e2a02656b20233417c8c16050e447bf2c070d3109587b118019beea4ab
PDF
Publication page20ddbfde7136c37c080b72b6902f0724b7cef88adf484a586cc6a8c8060dc24d
Manifest09c78372db4f836690b1424c95e85a6314ece1def30aba11519f012e2f562b39

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
SignatureCSSxLtQLagM9X0J+C3xOQE3mLcKcvX8x+mSQ/04ZRjdn46zlf3uI5Gk5yrUHiGLxRs+eVt0HwaUfBij8/3wMAA==
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

2026-09-17T11:13:28.932631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043069
observed 20ddbfde7136c37c080b72b6902f0724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.915145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043069/manifest.json
observed 09c78372db4f836690b1424c95e85a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.896373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043069/publication.md
observed 831941e2a02656b20233417c8c16050e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.878497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043069/publication.txt
observed 838990e55f50a3f8baa1c18abeedc0a8...
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.