OpenTechnical

OT-2026-000018563

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000018563) never changes.

Identity and time

Publication numberOT-2026-000018563 · never reused
Internal UUID01a0ae6e-b48a-7346-a143-e984493aedc6 · 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-2026-000018563
StatusPUBLIC

Content hashes

Canonical textd56f76ff0263ee7395187634e48d426a6458a65b8cf0d0c70234f8eabc19a88c
Markdownb863177f3dce7ccdb014444ae4b08fc95ab1d3c6e44a608406d2efe67a32ceb2
PDF
Publication pagefa712cb73d336a4d7b8ad86d39cd6eacf09ad9f09af2bad1472bbaa30e417010
Manifeste3c01548f4511de7d516fded0b9f3b13976afedda50c90a46cf3889e05efdb45

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
Signaturek645V56RXGKD1XIfoJdlnftfnaovLYCmPNw5RUCNa15HCTFYR6NO1S9WXJS9jC1kXl3N9usPI2/TUeBSSxmZCw==
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

2026-09-17T12:01:21.713907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018563
observed fa712cb73d336a4d7b8ad86d39cd6eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.695112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018563/manifest.json
observed e3c01548f4511de7d516fded0b9f3b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.675778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018563/publication.md
observed b863177f3dce7ccdb014444ae4b08fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:20.652323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018563/publication.txt
observed d56f76ff0263ee7395187634e48d426a...
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.