OpenTechnical

OT-2026-000100022

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000100022) never changes.

Identity and time

Publication numberOT-2026-000100022 · never reused
Internal UUID01a0aea3-1474-75c8-ae17-37e940a6fad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100022
StatusPUBLIC

Content hashes

Canonical textf19a11daa92fcb1c2d435669b4b7e5e283a17d870da034043227b951db14c6ba
Markdowne906f8136bac4c0b7305ef2ac2c2534eab7dee571931ff450e9acee964be605b
PDF
Publication page39b4ccf2ddd9e823cc4366e6c793e3741a5bb72c065173b9613ed7bf73bd91bd
Manifest52d8b0b885379feae950e763c5f7ba4ce1a835f077e0aea4a09f4791169866ed

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
Signature0vk12rx96qtvz7Onb1CYo1P1o2AbrPkM+E6Ls3zUWMhQp+39PGZkLp1p2Yc5SknCU5Yxd7s1Yr87GZJehNBOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:57.391290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100022
observed 39b4ccf2ddd9e823cc4366e6c793e374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.372714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100022/manifest.json
observed 52d8b0b885379feae950e763c5f7ba4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.354143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100022/publication.md
observed e906f8136bac4c0b7305ef2ac2c2534e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.337120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100022/publication.txt
observed f19a11daa92fcb1c2d435669b4b7e5e2...
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.