OpenTechnical

OT-2026-000011405

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000011405) never changes.

Identity and time

Publication numberOT-2026-000011405 · never reused
Internal UUID01a0ae6c-88fe-7baf-b3f2-1a7d391cf3b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011405
StatusPUBLIC

Content hashes

Canonical text4bf6e4206b522de54ccc7d30e22d540df006db212dd0ebfc72e63a748bebc071
Markdownd14f5fe58b2d7037419361fc15cbf5b2b71230f7e40724c7dcfed6529cadbc49
PDF
Publication pagede2d0a32cf3ffd230649c0d4c8d2cc990edd0405e12348045da60e67de1558e8
Manifest136ed0f1e92d4fdc9f1977d6e01c425a84f10d0ec28aa1013c9a240820b9f82c

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
SignaturebEjblrrYA1daNZfJMqUV1BH77sPKhx6wPQxadlCH8l30klNEDqr5SWAhKlGdtLca3HA8zYzFPoVgtPNV08ObAg==
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

2026-09-17T12:13:09.285603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011405
observed de2d0a32cf3ffd230649c0d4c8d2cc99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.268191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011405/manifest.json
observed 136ed0f1e92d4fdc9f1977d6e01c425a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.247022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011405/publication.md
observed d14f5fe58b2d7037419361fc15cbf5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.227954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011405/publication.txt
observed 4bf6e4206b522de54ccc7d30e22d540d...
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.