OpenTechnical

OT-2026-000084870

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000084870) never changes.

Identity and time

Publication numberOT-2026-000084870 · never reused
Internal UUID01a0ae99-43b4-7352-81eb-dde5692d70a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084870
StatusPUBLIC

Content hashes

Canonical textc92c031dc5662fc95a41f84d90b108cc0c8928decaf4cd218f1794e508ce06bd
Markdownf69481b67933a12d66d9bfe7fc6d02974b6af55028be5287f724e9aafadf76bd
PDF
Publication page9a2f72bd704daf19a9b47ea79d7ca5173256b4f89057af62492127c14e942353
Manifestb5bbe2a4caff8320d00a965d9d6de471776956ba50f54e5a4836b4957c2706a3

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
SignatureLpjA3+pfLSQARkMxb7PDjUO6v3at8WMHoE6pxdi0A6OmU0Sb11gVDcNW2br9iCs02G6SMu+r0nvYl/fydZd7Bw==
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

2026-09-17T09:54:50.349296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084870
observed 9a2f72bd704daf19a9b47ea79d7ca517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.331531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084870/manifest.json
observed b5bbe2a4caff8320d00a965d9d6de471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.314373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084870/publication.md
observed f69481b67933a12d66d9bfe7fc6d0297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:50.296326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084870/publication.txt
observed c92c031dc5662fc95a41f84d90b108cc...
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.