OpenTechnical

OT-2026-000045523

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000045523) never changes.

Identity and time

Publication numberOT-2026-000045523 · never reused
Internal UUID01a0ae7d-8f01-72bf-b768-c83076903a31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045523
StatusPUBLIC

Content hashes

Canonical text4738ea0c561eb65c0b15854acd4f5a704bdf6398711dc30847b0c951f421934d
Markdown54b0ade13c7ed6ff389be6f772e90eb793386ac730c3bcfea3083d48e7951c22
PDF
Publication page22b3bc3182be07a9eb15b76b8da040a9cf6c36001a168bd380ad9872bde6783e
Manifest772487e79531c5f1b2b26e2906f356fc196f096a733f843dc9941e8297ac94c9

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
Signature3msAW9ydGeEZS8kURRwDEtOAAD1nQDyLdN5pATxFD5dRhSp/ye+eXHtdW/CFywOfr33k4XVsPYkfhaZjkTztDw==
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

2026-09-17T11:09:16.010465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045523
observed 22b3bc3182be07a9eb15b76b8da040a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.990832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045523/manifest.json
observed 772487e79531c5f1b2b26e2906f356fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.971324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045523/publication.md
observed 54b0ade13c7ed6ff389be6f772e90eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.952119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045523/publication.txt
observed 4738ea0c561eb65c0b15854acd4f5a70...
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.