OpenTechnical

OT-2026-000039207

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000039207) never changes.

Identity and time

Publication numberOT-2026-000039207 · never reused
Internal UUID01a0ae78-9673-7ae2-8117-027085e8b378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039207
StatusPUBLIC

Content hashes

Canonical textb71bf4e80fd073555f127fbbbe0cfbda394ff2041b0e6b4bedfeb5a7b1114707
Markdowna54a66af9f7c85ecf8028125521b248618780d29ef3743a88006eaeab1f9b1d3
PDF
Publication pageac0699b9ca0af4dbe9b2735167d1b3ebf2a6cb84031bad7be4006f116f51f438
Manifest20f94c8d6606cb54ff680d20ef6d403e09ceb6be23afc947ef9e29c731934dc3

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
SignaturelKoN7g6+dS3LL+qPswcBYDfq222uh3KlIlQtzJjbW0JpZoE6eLAd1jNOX+/NToApb6ginFFhi0Dn8Lv2vQ1sBw==
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

2026-09-17T11:20:45.540378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039207
observed ac0699b9ca0af4dbe9b2735167d1b3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.522441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039207/manifest.json
observed 20f94c8d6606cb54ff680d20ef6d403e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.503410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039207/publication.md
observed a54a66af9f7c85ecf8028125521b2486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.485482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039207/publication.txt
observed b71bf4e80fd073555f127fbbbe0cfbda...
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.