OpenTechnical

OT-2026-000076249

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000076249) never changes.

Identity and time

Publication numberOT-2026-000076249 · never reused
Internal UUID01a0ae94-6a6f-7fde-9fad-400d8ed46e9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076249
StatusPUBLIC

Content hashes

Canonical text0f6f0c8b5c01aaf0cccac6ff7d692daac752b7526a6d40df3bf1e28a2a4453b7
Markdown04eaa8c91dab32593700329a5229c480c127d8e4fa18b636923b311ba94f9083
PDF
Publication page76f71fbaad6169ddd30e851fa9cfca4fed84870fb455453accc38e817429e7ff
Manifest5f2c2bdf682bfbd73acd839b45357007fd8cb6abadd881c396f3b9ab6b948317

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
SignaturekS7cybncv7TplyjeiSqFK7FtZ6HXseU1+kcp4dLTfg8GovCvNK/MHMJhiNBV7mvVAo3A1d9qsFbyVZj6dLCdAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:46.751977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076249
observed 76f71fbaad6169ddd30e851fa9cfca4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:46.732886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076249/manifest.json
observed 5f2c2bdf682bfbd73acd839b45357007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:46.710494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076249/publication.md
observed 04eaa8c91dab32593700329a5229c480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:46.690706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076249/publication.txt
observed 0f6f0c8b5c01aaf0cccac6ff7d692daa...
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.