OpenTechnical

OT-2026-000086045

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000086045) never changes.

Identity and time

Publication numberOT-2026-000086045 · never reused
Internal UUID01a0ae99-e82b-7392-8396-e9bb50c042d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086045
StatusPUBLIC

Content hashes

Canonical textcc7ab1996a2f58fc11e3836e9c5e1a66761a4240bf35e93f21fb1fc876cd6bc5
Markdown09ef6f9bc469660eb179c141e4dda4329774d58f8a67b9ef737a2aacd3171770
PDF
Publication page500fafa9e8ed66d1e2813c24ed4f663b57455306267d55c06358d6c8747dc2c8
Manifest202a46bbb1017f794a9c80df3b1bcfba000591716f02b2ab216acfc817543e55

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
SignatureKFl0mDqVye+GP7fDP6QJ5VqM6E6eU48e0J31TY2JCN5FTGBIO2OVoJAiRMC9X/HfpTPzDLp0ihivoWYgrjqnDQ==
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

2026-09-17T09:53:02.339147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086045
observed 500fafa9e8ed66d1e2813c24ed4f663b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.321189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086045/manifest.json
observed 202a46bbb1017f794a9c80df3b1bcfba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.304733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086045/publication.md
observed 09ef6f9bc469660eb179c141e4dda432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.287809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086045/publication.txt
observed cc7ab1996a2f58fc11e3836e9c5e1a66...
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.