OpenTechnical

OT-2026-000088019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000088019) never changes.

Identity and time

Publication numberOT-2026-000088019 · never reused
Internal UUID01a0ae9b-1aa6-7732-88f7-c8e4d3bccdfe · 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-2026-000088019
StatusPUBLIC

Content hashes

Canonical textc8dfeaad326e34a73fd19a9436373de9a895859f267e681dfaf774c763d60de2
Markdown1427dc7c359306daf2ab2fec467feb583231a18d543faca68a090c5c86c11bff
PDF
Publication page9d5ff397b1e52c1fe754c2523f8a2f54d2dcbcdf2b8a7a13a5848401f3e5646c
Manifesta0295678730e3db830137cf58d2ec988ab22ad9021a9b4e0b5f02c62c6bc35b6

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
SignatureizYdhxl3o3XfhUOHHWnX2sl3uNDqr0LSLUjrE7x2iO0/lYCUUyBeel12fqR/S3o3zGN9Z3f+3yiv+s0yOpTqCQ==
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

2026-09-17T09:49:24.211358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088019
observed 9d5ff397b1e52c1fe754c2523f8a2f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.194401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088019/manifest.json
observed a0295678730e3db830137cf58d2ec988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.176744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088019/publication.md
observed 1427dc7c359306daf2ab2fec467feb58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.159822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088019/publication.txt
observed c8dfeaad326e34a73fd19a9436373de9...
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.