OpenTechnical

OT-2026-000016443

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000016443) never changes.

Identity and time

Publication numberOT-2026-000016443 · never reused
Internal UUID01a0ae6e-2d13-73fe-95ce-19c71ad1aba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016443
StatusPUBLIC

Content hashes

Canonical text9793ec046170208a6ba98449b3fb90d21ffdf90f889453f053821bdc4db0caf5
Markdown13b78416b8314241f2a4a8f41792a901765272ca8d378baf226112bb83063ccf
PDF
Publication pageec9089329223d8d3c09d49c806ae0457fd9869f4f5e1e02fcd225151c9232c19
Manifest8632218fac249d8a2b4df72a13c7acb33163676afe7b684012198d07020e3293

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
SignatureU17tsoDmZ014JgVEWhUHXz05m4gCSywrCnjHz4q/M6NDy5l65cNExsoDhCPkd4d6ot4LwPm3IzriuuCB3rl5CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:04:32.629330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016443
observed ec9089329223d8d3c09d49c806ae0457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.611944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016443/manifest.json
observed 8632218fac249d8a2b4df72a13c7acb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.580179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016443/publication.md
observed 13b78416b8314241f2a4a8f41792a901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.561459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016443/publication.txt
observed 9793ec046170208a6ba98449b3fb90d2...
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.