OpenTechnical

OT-2026-000032871

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000032871) never changes.

Identity and time

Publication numberOT-2026-000032871 · never reused
Internal UUID01a0ae75-4842-754b-8182-83b58523171c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032871
StatusPUBLIC

Content hashes

Canonical text1078cf2e7168695ab6c4ce82c30cf87aadcb006aa82d27d8b6c2ce3431f0d8bb
Markdown62a03d3a375c8aa4f028d4e6dd78b325afba042ea6e6b42437084e75d70caff4
PDF
Publication page213b4c466881f533704cbef2bd11f49ce2dbd91997a68a7c750202e1f6d7938f
Manifestb9e2b07700b49cf5f9b2e5b97535a958f64d33ee7a1ffa5d573534d5c8adbd42

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
SignatureiBpbuDDi5UFvOkC7yburgAqBkJcDk1SOSjsxB2DZlqKGLo6FO3KJMgOlB85Ln9ArfIC1HSQF4dJy+vsdaGUfAw==
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

2026-09-17T11:32:26.927534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032871
observed 213b4c466881f533704cbef2bd11f49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.905694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032871/manifest.json
observed b9e2b07700b49cf5f9b2e5b97535a958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.885789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032871/publication.md
observed 62a03d3a375c8aa4f028d4e6dd78b325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.864588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032871/publication.txt
observed 1078cf2e7168695ab6c4ce82c30cf87a...
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.