OpenTechnical

OT-2026-000084486

Publication integrity record

Three cup vacuum gripper, three 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-2026-000084486) never changes.

Identity and time

Publication numberOT-2026-000084486 · never reused
Internal UUID01a0ae98-5b63-7256-8af6-ed5da7c4243d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084486
StatusPUBLIC

Content hashes

Canonical texte134c27db8d29c23ffa050cc8683c557cb7377359c344d159c0ffbbdf3f488da
Markdownbc9dcc3ff48fceb7157a5497fd3248d363bbd0844f43652eef1eb006774f87a8
PDF
Publication pageaf7e3163415d3552e476902813c92350405d0f2ea01b0974238936608139bea5
Manifest773cfa50276dc9f45dfe23bd4d691f55583a5afa274c5ba06964de19e4c82e1e

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
SignaturesuO6qXAsMuliuk1GxcThY0YfI8lup8KwS4NZdBvs9Z1VkH1X/QoSctOtOd7CFFWWhsQxMvbyyDGJEdM8Dr3oAQ==
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

2026-09-17T09:56:27.275880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084486
observed af7e3163415d3552e476902813c92350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.259184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084486/manifest.json
observed 773cfa50276dc9f45dfe23bd4d691f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.241117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084486/publication.md
observed bc9dcc3ff48fceb7157a5497fd3248d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.223095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084486/publication.txt
observed e134c27db8d29c23ffa050cc8683c557...
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.