OpenTechnical

OT-2026-000092426

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000092426) never changes.

Identity and time

Publication numberOT-2026-000092426 · never reused
Internal UUID01a0ae9d-b5fc-7a4a-9351-3ebb4f12d2d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092426
StatusPUBLIC

Content hashes

Canonical text0b238f5554c143d9a617b3f1b81cd1bff8ec5258d107e96756b6a01e5edd6f9f
Markdownfd5a5b810f97eebc449cb9431cc23617afb8fb4be6a3ee514573447d87189e6c
PDF
Publication page80e5450c4c772d163152196182a446e55deb5655de8f5533d2fffff5e5dee4ea
Manifest59bdaf3b195a128f946462fa83ef878752b7f626957cb8f7e234fdd90a13a420

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
SignatureRVPf57NZkd9qiXlcx73MqviHrAPNQCZFODa9uOnQNJbqlNiQvlwJ4dC5e2vA/HsNRTh8fx8IBIfQasBoH7JDCA==
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

2026-09-17T09:40:58.815384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092426
observed 80e5450c4c772d163152196182a446e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.756368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092426/manifest.json
observed 59bdaf3b195a128f946462fa83ef8787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.737766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092426/publication.md
observed fd5a5b810f97eebc449cb9431cc23617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.679271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092426/publication.txt
observed 0b238f5554c143d9a617b3f1b81cd1bf...
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.