OpenTechnical

OT-2026-000018147

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000018147) never changes.

Identity and time

Publication numberOT-2026-000018147 · never reused
Internal UUID01a0ae6e-b488-7206-a19b-591ad7f8a821 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018147
StatusPUBLIC

Content hashes

Canonical text1c7cbba86a593c273d26d5f0731e74ce17a024a1fcad245bb4994bb20b746233
Markdownd10c8c430990ded8cb0027851b4cb26ebe276b0e351bf129845d7d047c8439ac
PDF
Publication page397cfa7602a5a9f32a2d7ad42044867fdf2cd96e966dad45cdc30a0248213231
Manifest60bbd44392f7f36e10b3c17a504963b3433bc5b3de5df7e2ca570c34c7c12560

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
Signature9LbTFHm/zs0Gn80gOr90I+CpHVSVQILf1JceSIxd2IQR83VC3zDUeKtoBj5m6wX8H48EjGCgPc9QrJiNekY1Cg==
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

2026-09-17T11:59:53.653200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018147
observed 397cfa7602a5a9f32a2d7ad42044867f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.635350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018147/manifest.json
observed 60bbd44392f7f36e10b3c17a504963b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.616968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018147/publication.md
observed d10c8c430990ded8cb0027851b4cb26e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.597648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018147/publication.txt
observed 1c7cbba86a593c273d26d5f0731e74ce...
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.