OpenTechnical

OT-2026-000091217

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000091217) never changes.

Identity and time

Publication numberOT-2026-000091217 · never reused
Internal UUID01a0ae9c-f16c-7f14-9c5d-ae85da4de4d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091217
StatusPUBLIC

Content hashes

Canonical text8f56010cc0c47e93c7d07efb07af3ab07f31f360b025c5852baf577dcef38ecb
Markdownf752e474d69c0d0cd410cfb14f452742c351877fb958704f4e4ec70e61cc9583
PDF
Publication page851b8302978736ce322c9b7113679d88175d9100ed23b3be59ed83a98fdc662e
Manifestc63caa877b5a52125921dd472e7b4587081d16903219cb857243801f807ac352

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
SignatureyfwuVYa7WhVHY1YmA88x59n9UGqFPn4HXvJr63DdKwqjuT7yfoVYZHLmcdwoOauuulky2D3/4dkbSy2+2Ep2CQ==
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

2026-09-17T09:43:23.235645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091217
observed 851b8302978736ce322c9b7113679d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.218745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091217/manifest.json
observed c63caa877b5a52125921dd472e7b4587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.200744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091217/publication.md
observed f752e474d69c0d0cd410cfb14f452742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.179993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091217/publication.txt
observed 8f56010cc0c47e93c7d07efb07af3ab0...
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.