OpenTechnical

OT-2026-000066045

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000066045) never changes.

Identity and time

Publication numberOT-2026-000066045 · never reused
Internal UUID01a0ae8e-8dc2-7abd-ad59-a3e5bcb09652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066045
StatusPUBLIC

Content hashes

Canonical text3c70079e8ee820e97ef648f06997a8f32a9075fab0dc5c4b266d50f252a78b8b
Markdown0b074d47ad0cbc29cd00c6a73032253016cc4cf6b7eb5123448fc7cd18fe4089
PDF
Publication pagee8a6067f9e48fbc84b9c7dd458b02bd91c5a11c7e2d0e14384d4c6e9484be54f
Manifest73ec8881c3fa7974b599d443e96a5e76031e049aec98684b3d114308c54b29f1

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
SignatureLJQnglhonWyP91k1xahfsAmDAK0K2eAj8Ch/Cvu3ooLSiEdnp+nkhrJ/z4KTK1tBjJIduP+YUL2Dw4qavOhGBw==
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

2026-09-17T08:50:39.026432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066045
observed e8a6067f9e48fbc84b9c7dd458b02bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:39.006676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066045/manifest.json
observed 73ec8881c3fa7974b599d443e96a5e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:38.986937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066045/publication.md
observed 0b074d47ad0cbc29cd00c6a730322530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:38.832469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066045/publication.txt
observed 3c70079e8ee820e97ef648f06997a8f3...
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.