OpenTechnical

OT-2026-000100560

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100560) never changes.

Identity and time

Publication numberOT-2026-000100560 · never reused
Internal UUID01a0aea3-66f1-7b02-97c5-72080e182b93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100560
StatusPUBLIC

Content hashes

Canonical text569ce150f6f3898b2e522b87679e518c8bf1fdb89f6b4d1b7a693629c53e8d45
Markdown2378fa8b9a7146502606274cd41c3fb00823d0d8d8091f36594233091ca584c1
PDF
Publication pagec41f33a179f8a1a7403a9b73ef743b9dca7d52f40917b7dd9f978842b4688e2d
Manifest65c499b41b296ed5d7530481d0f13b44c1a9fd49f053bd63609a7326516a0db5

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
Signatureuo5GlpAL7hTprfTne6nupRlRhsjrumDbbKrEIJ6cH7FCpy1rgVR5aUroxn4mR91fGwwFGDzeWL7b9/sikXMRBA==
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

2026-09-17T09:27:20.156597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100560
observed c41f33a179f8a1a7403a9b73ef743b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.138470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100560/manifest.json
observed 65c499b41b296ed5d7530481d0f13b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.119528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100560/publication.md
observed 2378fa8b9a7146502606274cd41c3fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.100964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100560/publication.txt
observed 569ce150f6f3898b2e522b87679e518c...
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.