OpenTechnical

OT-2026-000097242

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000097242) never changes.

Identity and time

Publication numberOT-2026-000097242 · never reused
Internal UUID01a0aea1-01ca-7344-914a-224f6e561ab6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097242
StatusPUBLIC

Content hashes

Canonical text92c8cc89d487fe8479cfa74e46badfdf41f5cae726bf7a4b5eac30a8d846c6de
Markdown9e4190ff45606068a14bb70855061dba086954c26adc28e3f6f7cac6f5e680d5
PDF
Publication paged0c3caba3731362da09342bb97dff836b301393f68d7299ec39f028aaa774812
Manifest25baeb9ce4333d75e52dab22e4df9113a96337ed556311dc6bd96cb637e2c460

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
SignatureuZArxuu0w/5bKFs+l2OQ2G0I9ClJFNkEBzfTVo61w62M0rIElpHCz6dCXRQTPDo2EWwfjY6F+lVNOjU/nm8tBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:29.604515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097242
observed d0c3caba3731362da09342bb97dff836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.588273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097242/manifest.json
observed 25baeb9ce4333d75e52dab22e4df9113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.571631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097242/publication.md
observed 9e4190ff45606068a14bb70855061dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.554105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097242/publication.txt
observed 92c8cc89d487fe8479cfa74e46badfdf...
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.