OpenTechnical

OT-2026-000102441

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000102441) never changes.

Identity and time

Publication numberOT-2026-000102441 · never reused
Internal UUID01a0aea4-8589-7721-a7ee-d35e883665ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102441
StatusPUBLIC

Content hashes

Canonical textb22a8f2b9c13d05b72ada1e6b6f409d6a0a3b6c3cea1206c2f78cbbcd64bc640
Markdowne9b7840b09cc895e94a98e5231dacc33792a5f192f23b23a02da3ca1913c0bbf
PDF
Publication paged2089eb758f82e4b1292f48d75e6193327a71c2d5f75e4c80c292745156bcf46
Manifest76110d5ba318d7210f7c41ea2f872559ae4e39e6f303494fb5a32a26c7d6acbe

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
SignatureI6LS4ELrpn0b1k8qlyRWTr4yLbWQmSmPXy+Cyr2RAnthaIPxMxjlDmaC8b0DB9Um1O+fu81B9AchxNeZzhYkCA==
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

2026-09-17T09:23:47.291623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102441
observed d2089eb758f82e4b1292f48d75e61933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.273602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102441/manifest.json
observed 76110d5ba318d7210f7c41ea2f872559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.255869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102441/publication.md
observed e9b7840b09cc895e94a98e5231dacc33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.236597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102441/publication.txt
observed b22a8f2b9c13d05b72ada1e6b6f409d6...
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.