OpenTechnical

OT-2026-000022311

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000022311) never changes.

Identity and time

Publication numberOT-2026-000022311 · never reused
Internal UUID01a0ae6f-f4fc-7857-8a9b-943ae2cdefcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022311
StatusPUBLIC

Content hashes

Canonical text92b2f6b2588d3a8f6f3e26559e5aa9d3f55df457c66b955d6ccafc761de61e82
Markdown08fe0070757c3e4ceae12f2d024503ac01c930f282b3c198edefa12832992afe
PDF
Publication page4e3530c36f6c48702191584ec1ce590de93bc0ec2eb89132a804e8f6714cafe1
Manifest11d9849d71b23283eb5dd6099472f4ee820265429d862b2601f572539dd0fd27

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
SignatureVwGcUFlz8mgnFgS2+muaDC8upWoHRtb2mpGbhRCctYqTsXT18dYzcquGT/+MOTLdy2cqyllWUcqIhK6liN7OAQ==
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

2026-09-17T11:53:40.170975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022311
observed 4e3530c36f6c48702191584ec1ce590d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.152581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022311/manifest.json
observed 11d9849d71b23283eb5dd6099472f4ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.132733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022311/publication.md
observed 08fe0070757c3e4ceae12f2d024503ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.114414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022311/publication.txt
observed 92b2f6b2588d3a8f6f3e26559e5aa9d3...
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.