OpenTechnical

OT-2026-000012913

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000012913) never changes.

Identity and time

Publication numberOT-2026-000012913 · never reused
Internal UUID01a0ae6d-5563-7c38-9b94-558f1573e440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012913
StatusPUBLIC

Content hashes

Canonical text50f0fb4c1658440563b5f44e9cde7d98227ff94322aa2dd28dc99fa98b248bed
Markdown24d18daaec3ef663003a294b7a67ad32f45b5b452c7708f2f99f89c7818b419f
PDF
Publication page6601a92d81e65662ce2a420fde4973ff09f668aa359f3e9264936233717e17cd
Manifeste93e5dbaf1fb9e734315ee7235cb8e5155637f39a5fc09a2bc0d9c70d13bbe81

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
Signature7rYsqqnYU1T3+G/1OqszU4aTK1kax2sDyZr0sMj/MqPoRBDyexr/++Mm3NhHCZsOuM+X2nzKj7ImGGxjFmGOBA==
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

2026-09-17T12:10:42.370417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012913
observed 6601a92d81e65662ce2a420fde4973ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.350874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012913/manifest.json
observed e93e5dbaf1fb9e734315ee7235cb8e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.330352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012913/publication.md
observed 24d18daaec3ef663003a294b7a67ad32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.312465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012913/publication.txt
observed 50f0fb4c1658440563b5f44e9cde7d98...
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.