OpenTechnical

OT-2026-000086520

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000086520) never changes.

Identity and time

Publication numberOT-2026-000086520 · never reused
Internal UUID01a0ae9a-2c97-79be-bea4-c5a8cecdfaa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086520
StatusPUBLIC

Content hashes

Canonical text96b0fb0f991a5055dae578c4449682002ab3fff46c2ace4a8a34318c4db064fb
Markdown50b6fe1b9eb8788be55c91c0ac365f958c67f578cb593596f1644f8955907667
PDF
Publication page588f46c9d92255164e77db0c816b7e5d2c081a05d370905af45268f2a70f27fc
Manifest8ff88b71fe5246d6520a79082f1f5ac883f8b4e03ea0a29e7e103858b947b6b8

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
SignatureBlcsNcl0OFn//Y28/01dYHkq67MdoVaebNis4xVDwE3d+H2tVdG7hXxHr/ho2hO+9J9wM8GL4/B0pmyE4fesCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:20.489661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086520
observed 588f46c9d92255164e77db0c816b7e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.471729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086520/manifest.json
observed 8ff88b71fe5246d6520a79082f1f5ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.454989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086520/publication.md
observed 50b6fe1b9eb8788be55c91c0ac365f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.437041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086520/publication.txt
observed 96b0fb0f991a5055dae578c444968200...
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.