OpenTechnical

OT-2026-000019014

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000019014) never changes.

Identity and time

Publication numberOT-2026-000019014 · never reused
Internal UUID01a0ae6e-d523-79d6-b09c-8c72d2ba307e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019014
StatusPUBLIC

Content hashes

Canonical textbef4789893c441c88900d4a70b45c3a3a8cb8c13cb73686a7827e0f746d1a6cc
Markdown665c7b46a988b62b24a3d617614ffaac5266ce864c8fd4046e0af657207df70b
PDF
Publication pageed55888a789dfb6c12508d0de149ed332d2b8335f2996da244f2b859cfd1761d
Manifest46d7513bfb470fef8039a6623628d959cecdf724ff40345ed35370acbc3b4763

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
SignatureQLeVMydQf6CiQ7jMokDLiS8Kh3aLdlbcp3jNAsFlYn3WTHrFuAEte/gsxJpNjYy+mMQ/D/mPI2aJ6msz5KeCDQ==
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

2026-09-17T11:59:42.175599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019014
observed ed55888a789dfb6c12508d0de149ed33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.157578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019014/manifest.json
observed 46d7513bfb470fef8039a6623628d959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.140697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019014/publication.md
observed 665c7b46a988b62b24a3d617614ffaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.121677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019014/publication.txt
observed bef4789893c441c88900d4a70b45c3a3...
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.