OpenTechnical

OT-2026-000064871

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000064871) never changes.

Identity and time

Publication numberOT-2026-000064871 · never reused
Internal UUID01a0ae8d-debc-73d5-8755-171c1dba790a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064871
StatusPUBLIC

Content hashes

Canonical textb5a2fdd94a79c775e7328c8dd2b648cf14da479841ee3b6a5214288793107369
Markdownac7643f0bf933de69bac9f253ee254de7bab6d1571a8d12818e34f79ab40d8e9
PDF
Publication paged30ac615ffc15b73e3f8fa5c1db6e4a4a95d118996ef99bc497d450aceda43ec
Manifestee35459cfece4c3ccfcfc12b0e5df8a900c224d90046665f2944ea565670bb62

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
SignatureOjyGdsZ4JD5nErw/tHQNozlzzHPAbLGGW+rgTUdpcVe9cJDYojDjQo+ZACAUwYAeQXtNjOtuNYM8/H0pVVS8BQ==
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

2026-09-17T10:35:47.525296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064871
observed d30ac615ffc15b73e3f8fa5c1db6e4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:47.508147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064871/manifest.json
observed ee35459cfece4c3ccfcfc12b0e5df8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:47.490770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064871/publication.md
observed ac7643f0bf933de69bac9f253ee254de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:47.469556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064871/publication.txt
observed b5a2fdd94a79c775e7328c8dd2b648cf...
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.