OpenTechnical

OT-2026-000008071

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000008071) never changes.

Identity and time

Publication numberOT-2026-000008071 · never reused
Internal UUID01a0ae6a-908c-7046-ac99-295530fc526c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008071
StatusPUBLIC

Content hashes

Canonical text598e1ef87310f5f7d11a75756e50e1c3d950c939b79bdb04f08b05304b2fd134
Markdown06daaa52830bf338d89aa1a871b60406050b80f5e8d46ebf298ddbc1a7848435
PDF
Publication pagea2220df638f4640b2fc11a640e1f1d5230fa3cf0a200dccd3635ec637a2bd7a5
Manifest041d6cf1907b360db94b6d6636aa9d0643bef7702083f1798ac43557b995781e

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
SignaturefhBQL/5fsT94+OHnjjs9iNGXd9k2ZPvBsYJY1zr08R2m5pWW1894IqdaADD+cyuoRXXKq4hZb68epnstmS6uCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:40.217797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071
observed a2220df638f4640b2fc11a640e1f1d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.200093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071/manifest.json
observed 041d6cf1907b360db94b6d6636aa9d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.183037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071/publication.md
observed 06daaa52830bf338d89aa1a871b60406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.165594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071/publication.txt
observed 598e1ef87310f5f7d11a75756e50e1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.224832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071
observed a2220df638f4640b2fc11a640e1f1d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.206842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071/manifest.json
observed 041d6cf1907b360db94b6d6636aa9d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.188114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071/publication.md
observed 06daaa52830bf338d89aa1a871b60406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.169940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008071/publication.txt
observed 598e1ef87310f5f7d11a75756e50e1c3...
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.