OpenTechnical

OT-2026-000065993

Publication integrity record

Single cup vacuum gripper, single stage ejector, 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-2026-000065993) never changes.

Identity and time

Publication numberOT-2026-000065993 · never reused
Internal UUID01a0ae8e-8dc2-7998-bca8-f7102cbc2769 · 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-2026-000065993
StatusPUBLIC

Content hashes

Canonical text4ec8fe2c66ec13998d27cb7486e2e8f2bfb8f8a30f9d6cf8550cd6ce9d89d36d
Markdown35d3911823bbaff193f8ac4d946d6bb13e40a861e17feef4e8a344769c022b5f
PDF
Publication pagea442b1b2837f752d79afc4c08fd6bfa539ce6168530ddae8c5aaaa16b65cdef3
Manifest6231b0aed518d9ccf88c9be3a8f568ad2aa3deac36fdf4b5de5ae2786372737b

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
SignatureCYmKpb8pHxScPhht55xuPEdS/smnMpxPkF+7YBFnNNVUkZvcZhDYB1W6L3xXeSoFCSWKBLA/26Voh0CTMyvADQ==
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

2026-09-17T08:50:30.256703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065993
observed a442b1b2837f752d79afc4c08fd6bfa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:30.238172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065993/manifest.json
observed 6231b0aed518d9ccf88c9be3a8f568ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:30.092214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065993/publication.md
observed 35d3911823bbaff193f8ac4d946d6bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:30.072529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065993/publication.txt
observed 4ec8fe2c66ec13998d27cb7486e2e8f2...
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.