OpenTechnical

OT-2026-000045547

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000045547) never changes.

Identity and time

Publication numberOT-2026-000045547 · never reused
Internal UUID01a0ae7d-8f02-7f78-a005-031853b54197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045547
StatusPUBLIC

Content hashes

Canonical text6081def44dafecf62edc5b6aef46a3605e7bfdb0e4b64cf92304d46de38e9c88
Markdown1d3aab45f80c6f693e671760188b95f36322cf7e127941c61fcf84434d1baa54
PDF
Publication page53a811de912a28c8c697cbc73c67f1626a6281c82ad6c131ca962489d9f40192
Manifest00d310f214790d7ba41e680b9396f8e3a6260926aac0e789e7bf7ee7c7363454

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
SignatureHqAwYFCmWcSPBXAu3yLk4w8GUEoXTxAL6+cQZpSLQQjT4fBn1Se8Qc5l1utYIFwBT5lVbIRWItIOOw2uDyEuAA==
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

2026-09-17T11:09:17.919326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045547
observed 53a811de912a28c8c697cbc73c67f162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.899572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045547/manifest.json
observed 00d310f214790d7ba41e680b9396f8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.879438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045547/publication.md
observed 1d3aab45f80c6f693e671760188b95f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.859636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045547/publication.txt
observed 6081def44dafecf62edc5b6aef46a360...
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.