OpenTechnical

OT-2026-000099897

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000099897) never changes.

Identity and time

Publication numberOT-2026-000099897 · never reused
Internal UUID01a0aea3-1473-7c05-9a4e-245673209bb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099897
StatusPUBLIC

Content hashes

Canonical text7e9866015d4f943d23f2cc9a8e54ebbe9a0ac6edc96bf9ca44d97b5f3cb02924
Markdown81f5066440102d9a570bb13cfe6740f622642ebbc98fa31ab3fcaf63fa0e3e6b
PDF
Publication page959061fc93d0bb8997df9faf040f7c236bc6b4ba91773e864fb0574c45f5d7ce
Manifestd7f973d70ee540910f7248b111342c454049ed7beca21c7fae40a206a2e5492b

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
SignatureMSM80E/HhuQgokCjfmZkImYs1IOLERnMohpzn6ISj7EogcmzKbF520fXNwNcsYcIJ7OPrnSVJeQkx5cf6ugQAA==
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

2026-09-17T09:30:31.889164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897
observed 959061fc93d0bb8997df9faf040f7c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.869911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897/manifest.json
observed d7f973d70ee540910f7248b111342c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.852429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897/publication.md
observed 81f5066440102d9a570bb13cfe6740f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.835138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897/publication.txt
observed 7e9866015d4f943d23f2cc9a8e54ebbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.581318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897
observed 959061fc93d0bb8997df9faf040f7c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.564129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897/manifest.json
observed d7f973d70ee540910f7248b111342c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.548286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897/publication.md
observed 81f5066440102d9a570bb13cfe6740f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.531402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099897/publication.txt
observed 7e9866015d4f943d23f2cc9a8e54ebbe...
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.