OpenTechnical

OT-2026-000066731

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000066731) never changes.

Identity and time

Publication numberOT-2026-000066731 · never reused
Internal UUID01a0ae8e-ce42-729b-9f74-d63b5c9d32d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066731
StatusPUBLIC

Content hashes

Canonical text58757e991e5cb7bd1d67d22587db293b306fbf252472f2261ab4965aacfee6d5
Markdown903579ec26e3ead433824e9b7bd9a9642550e1a980950b8b0b4ed406cc0df267
PDF
Publication page17920d749b8cde078343d761824d3f7d629e88a284d0c9d51385b35599862022
Manifestc93dee87959b172076411e095309decc5038ff1fc5a5076065b4089755be541c

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
Signaturev4qzBHgFBxxyG3/FSApKYZyEOxlZpJYGUB0nMS1rjBrRjL3N0gDt0A0KdJk34fUzA8/EOFujdjmF8BhESGo0Cg==
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

2026-09-17T10:33:08.312345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066731
observed 17920d749b8cde078343d761824d3f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.281448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066731/manifest.json
observed c93dee87959b172076411e095309decc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.263391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066731/publication.md
observed 903579ec26e3ead433824e9b7bd9a964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.233224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066731/publication.txt
observed 58757e991e5cb7bd1d67d22587db293b...
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.