OpenTechnical

OT-2026-000096475

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000096475) never changes.

Identity and time

Publication numberOT-2026-000096475 · never reused
Internal UUID01a0aea0-a4a9-799f-af7f-40985cd51526 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096475
StatusPUBLIC

Content hashes

Canonical text296827491400a12d6517b674f4916e5caccb7db895c374c09ae6834af73f1d6f
Markdown6a20babd3144ac7ede1f8484f01e6398e39d0e8954dcf26d075a5300dcbcff0c
PDF
Publication pagee5c3bd0d71af41bce8988c92b7ade1c502a8f89422922acecfb6a2dfb789d141
Manifest36b26be8439c2d0a1d7ae702e997a6fb4275b171c601e936bef84a859d191fc9

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
SignatureUNd9EsO86iuPGBxnKAw41qaVryV0rmkMRUok4Ny2o2x13UOF9PKdDb7dLZtifC3ZczFmkXeiflV8iYnveDmFAg==
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

2026-09-17T09:33:48.079268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096475
observed e5c3bd0d71af41bce8988c92b7ade1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:48.061870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096475/manifest.json
observed 36b26be8439c2d0a1d7ae702e997a6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:48.043605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096475/publication.md
observed 6a20babd3144ac7ede1f8484f01e6398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:48.024994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096475/publication.txt
observed 296827491400a12d6517b674f4916e5c...
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.