OpenTechnical

OT-2026-000100704

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000100704) never changes.

Identity and time

Publication numberOT-2026-000100704 · never reused
Internal UUID01a0aea3-66f3-7753-b54a-1fef5a8427b6 · 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-2026-000100704
StatusPUBLIC

Content hashes

Canonical textf2baa2734e996a2b988b7962269f03c9bbd275610acca9a6355d6395e3aa4c03
Markdown9c96d837af75ec657501230520dd7b2a2b4585e92f6ca3574153f9fa106bcad4
PDF
Publication pagea6c3037a81237367b6cf0fb776c2f8ea697dba2f81d51cce1b97b99627be49db
Manifest2621de4e784c332e1b45105911541a8e651657d13ead37752e2445ec123e4bb2

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
Signature2uPWTETXT5txe+M11E0emUckQDSvmBEDGD5Cj2ZwKDzGjrpd0R/tKf/usMXi3+iVUW2gouSsO1uOXrfoDXdHDA==
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

2026-09-17T09:27:31.448954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100704
observed a6c3037a81237367b6cf0fb776c2f8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.429791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100704/manifest.json
observed 2621de4e784c332e1b45105911541a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.411867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100704/publication.md
observed 9c96d837af75ec657501230520dd7b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.394192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100704/publication.txt
observed f2baa2734e996a2b988b7962269f03c9...
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.