OpenTechnical

OT-2026-000098037

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000098037) never changes.

Identity and time

Publication numberOT-2026-000098037 · never reused
Internal UUID01a0aea1-92f8-7871-beb2-5cef38a64296 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098037
StatusPUBLIC

Content hashes

Canonical text2aa2149eb00e9954b1389225b2032a19cf586d2d4b2360b1f4f8097d3dc15e4e
Markdown3c3f3c8c18c3df1c3023777bd4b2f3741367d0388007bf958cb66e61b4c68d92
PDF
Publication paged3f934ef198294a854375e750deae7fd7fcfd10842be4ee213aaf6127859171f
Manifest7b6c64cc5eb07f3b6e54cd2b3d295d544ab56240fe7057d30197a879179f9ec5

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
SignaturevUJqJpomjbkfhahmOvFtLrTjKePFaFj+Tw6hTIQFnPKp+uxVQ6In9tupdYGNwqQUg7szHq7BbhuFQc1QWtsuCw==
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

2026-09-17T09:33:13.022489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098037
observed d3f934ef198294a854375e750deae7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.004602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098037/manifest.json
observed 7b6c64cc5eb07f3b6e54cd2b3d295d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.986582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098037/publication.md
observed 3c3f3c8c18c3df1c3023777bd4b2f374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.968852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098037/publication.txt
observed 2aa2149eb00e9954b1389225b2032a19...
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.