OpenTechnical

OT-2026-000025539

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000025539) never changes.

Identity and time

Publication numberOT-2026-000025539 · never reused
Internal UUID01a0ae71-5fa8-791f-aa87-48434f3511ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025539
StatusPUBLIC

Content hashes

Canonical textea45cf91f109381d4c007f614c9069bf4eaa6f53bcaf58546e970b45a1baf945
Markdown1b0de36ad4aa231f559d9c1050db7ad1e7ee44c306631c855b569521b2339795
PDF
Publication pageae6a028394f812332d3d3607b0912816bedf7a069b3a83599559c87648eb22f3
Manifest33db86b2416194c7a118653b52ac7b235bf4911c826a6728fb62f6d47558c921

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
SignatureoXX3x48OCfXXjFR6XHCNtnUNuhfy157AVgYsDh6ViOd8fM6c3dxzAruh1AbuaHU3yVHC1gQQGEzRUUDpWzXlBg==
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

2026-09-17T11:47:41.175142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025539
observed ae6a028394f812332d3d3607b0912816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.156684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025539/manifest.json
observed 33db86b2416194c7a118653b52ac7b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.138659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025539/publication.md
observed 1b0de36ad4aa231f559d9c1050db7ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.120336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025539/publication.txt
observed ea45cf91f109381d4c007f614c9069bf...
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.