OpenTechnical

OT-2026-000016857

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000016857) never changes.

Identity and time

Publication numberOT-2026-000016857 · never reused
Internal UUID01a0ae6e-5919-7352-80eb-c119b75951ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016857
StatusPUBLIC

Content hashes

Canonical text3f5cd1a0bfe846dae8df4b4e1f5c80ddb33090ce8a0abd9887f2183096d49399
Markdown4365f4857cfcdbfd63631576fdaf015c49d93a1a318330bfaa0a8528c01f0f5c
PDF
Publication pagebdaf668cf0ea57ff2fd314a5eef61b1f57aad88d2d61b3183915db254e5e1139
Manifeste6c69e794de83dca7a480022878a464a8f1911fce90dadc9272950464c9a16d1

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
SignatureoJdqrIb2pFkASer2nKf0AD+nnSl8rr9B7dn/yHxt6xVQbWqzqIKM+R2KgtzZjS53FQY51NcLDwM0FWdHcy9FBA==
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

2026-09-17T12:03:07.364123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016857
observed bdaf668cf0ea57ff2fd314a5eef61b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.348458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016857/manifest.json
observed e6c69e794de83dca7a480022878a464a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.330855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016857/publication.md
observed 4365f4857cfcdbfd63631576fdaf015c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.314665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016857/publication.txt
observed 3f5cd1a0bfe846dae8df4b4e1f5c80dd...
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.