OpenTechnical

OT-2026-000019263

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000019263) never changes.

Identity and time

Publication numberOT-2026-000019263 · never reused
Internal UUID01a0ae6e-f392-7973-9c95-ee57554ce796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019263
StatusPUBLIC

Content hashes

Canonical textec7e85f346eebe64f3e2ede75bf5cd8428ed1e8bc75bdccb7f2cb6bf2ce9c192
Markdownb0f22381568fd3dcf7a5079842cd2d92374af91e86815e5f14e3bff6944f6662
PDF
Publication page3d60061dcd92706d834f8ea0d65538d481d5a6a768a3107049e189ed4504a657
Manifestfd7ccb45294f3289f62075b1fae43fa6fcc75b578d2f45745f4e1787aa0142fe

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
SignatureoyV3uSoRWNS+Ug4RlYeuSmHaKghFRKlklQPpl2EF/f8QcezgcoC1xmzzkEYsOwAex9Z7M5zJ1J8EH08s9g7YCw==
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

2026-09-17T11:58:36.784866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019263
observed 3d60061dcd92706d834f8ea0d65538d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.766143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019263/manifest.json
observed fd7ccb45294f3289f62075b1fae43fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.746107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019263/publication.md
observed b0f22381568fd3dcf7a5079842cd2d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.725908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019263/publication.txt
observed ec7e85f346eebe64f3e2ede75bf5cd84...
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.