OpenTechnical

OT-2026-000088242

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000088242) never changes.

Identity and time

Publication numberOT-2026-000088242 · never reused
Internal UUID01a0ae9b-1aa9-737e-a7c7-b26edb5103b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088242
StatusPUBLIC

Content hashes

Canonical text4a053c0eaf8e2b72b6cef88f90e72d46761e2a5845655a188d453c6f6c8a934d
Markdownaafd5d64f2938b736cdea74a91dbabfeae4e39ffee262a7d22c572c4e8c64cc6
PDF
Publication pageb8d77d8b67ea8436ce807b79d0730b7b7a61a8398ab58e466f2fbd8f2144be9d
Manifest8b590d0989cfa9b466d7591bc406c61e96dabb37cb5f05a8e631693a619501be

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
SignaturehR9hcrzVUeCBj33aOdexM6Z0WqCcWEdKmPIbq40Zyf2R8gBrYiMxLeYfjCcRmzJ0GLRbBb54u69p36Tb3xy4Dw==
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

2026-09-17T09:50:20.801903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242
observed b8d77d8b67ea8436ce807b79d0730b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.781776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242/manifest.json
observed 8b590d0989cfa9b466d7591bc406c61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.763145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242/publication.md
observed aafd5d64f2938b736cdea74a91dbabfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.743605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242/publication.txt
observed 4a053c0eaf8e2b72b6cef88f90e72d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.414048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242
observed b8d77d8b67ea8436ce807b79d0730b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.391739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242/manifest.json
observed 8b590d0989cfa9b466d7591bc406c61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.373427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242/publication.md
observed aafd5d64f2938b736cdea74a91dbabfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.353857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088242/publication.txt
observed 4a053c0eaf8e2b72b6cef88f90e72d46...
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.