OpenTechnical

OT-2026-000017555

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000017555) never changes.

Identity and time

Publication numberOT-2026-000017555 · never reused
Internal UUID01a0ae6e-76ca-7047-bf27-ce8294d92e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017555
StatusPUBLIC

Content hashes

Canonical text07f0a234eb6b875cfebdf59f1dddb873758d15d47a5576bf08727942e2ff9218
Markdown301013685e08d1551d0f55d5e65d0c0d7cddaef2deaa927a4e3f2c5ff7553bac
PDF
Publication page1dd977961f3cbfb9bf9281bd39e6a5d8f36ba0274879dd64d7cdb6f7bb092095
Manifestedd480670c10b7bb00f56b667e2ac3a533ed88138f1c36c93aa03ce869dcd6bf

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
SignaturelFHQhFhRULeWGCTbTIWH+d2Jt9yRIYaJbntbnwQ7bycbkRrz1GtmFhxS5DewlC+U/cBwo5eHqOC8EVrZTJ/eAg==
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

2026-09-17T12:02:43.387368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017555
observed 1dd977961f3cbfb9bf9281bd39e6a5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.370577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017555/manifest.json
observed edd480670c10b7bb00f56b667e2ac3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.354077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017555/publication.md
observed 301013685e08d1551d0f55d5e65d0c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.335870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017555/publication.txt
observed 07f0a234eb6b875cfebdf59f1dddb873...
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.