OpenTechnical

OT-2026-000029263

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000029263) never changes.

Identity and time

Publication numberOT-2026-000029263 · never reused
Internal UUID01a0ae73-2aa1-71cc-a299-7e87bd08045f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029263
StatusPUBLIC

Content hashes

Canonical text3ff48ca0f18b70d31de8ff5d25ab09e62985239cdb2d626e2688387c41724d12
Markdown469a5d0b988ba98f774a837aebe2d99b72aaf9db89e973cd0eda68cebc3cc03f
PDF
Publication pagec645befc825d1c3cf58d97ad467b74b06d7de6cd0649db78aace0ed03836bf88
Manifest190e3aef6dde2186d4900d6441dd596ce1804748ce7ff9abb3556115330ae78d

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
Signature4Z8MX4iiqszlAH20VTTFiObi+BmU1zWmG8YOkQXWuqG11DEnEq/Gh89dohg33cY2Sqy3cOH182IzRca4GfOrDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:53.689105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029263
observed c645befc825d1c3cf58d97ad467b74b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.671108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029263/manifest.json
observed 190e3aef6dde2186d4900d6441dd596c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.652598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029263/publication.md
observed 469a5d0b988ba98f774a837aebe2d99b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.634301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029263/publication.txt
observed 3ff48ca0f18b70d31de8ff5d25ab09e6...
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.