OpenTechnical

OT-2026-000025186

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025186) never changes.

Identity and time

Publication numberOT-2026-000025186 · never reused
Internal UUID01a0ae71-5fa6-78a5-b5a1-fda225b78f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025186
StatusPUBLIC

Content hashes

Canonical text92d50ccf1a13cc910250d3ef72c39894768cbd52d4558d607315ec2a0278dca3
Markdowneef7b7d7eb58c938a47a62991aaf24d948aeaceae1b3c913a977a51d3b272b13
PDF
Publication page6a792f96092de3e7785b4819fbb950ddbdd8aadb623e35134bfd7066afe075d3
Manifest90c55e1ddf0e8adbc40deb8a7e68527c30438869ba5ffc0ca6a3ed851757d273

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
Signature1QvNQwA5awNP/x8dlX+z2xAUnAHGaLt+QeBmQf1z4ciI1DHhic1sPQ3JSM8fF9EgnH/ag0rdcegkA1blf+zoAA==
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

2026-09-17T11:47:10.257583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025186
observed 6a792f96092de3e7785b4819fbb950dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.238270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025186/manifest.json
observed 90c55e1ddf0e8adbc40deb8a7e68527c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.222286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025186/publication.md
observed eef7b7d7eb58c938a47a62991aaf24d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.203733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025186/publication.txt
observed 92d50ccf1a13cc910250d3ef72c39894...
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.