OpenTechnical

OT-2026-000023217

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023217) never changes.

Identity and time

Publication numberOT-2026-000023217 · never reused
Internal UUID01a0ae70-7267-766d-9f10-e30a771b89f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023217
StatusPUBLIC

Content hashes

Canonical text2d12b1a040a8b931f9010febe843944fdb8b5a7eaf4bb4b5c5475e6e2d716dd3
Markdownac5d4795b7d4e56cf4ee45607987cd39558fe94365ad2eae762cf4701f01945d
PDF
Publication page5bc40b9f6dabaf6f568adfca9d98c07e6eb1996ca363cb73d6ec2754f8d5c924
Manifest8fdde2b3ce8181cb07d56796f77b99476699e396fce3d9f04d4021284b0b6ca2

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
SignaturegpNboMgZ8JDbCk+GTothmwrpIXNvPNDj2Sof0M8noqngLuw4FQdK0R2m+4U4hV7iz9fR2MKG+ai1rP2d4VNsBQ==
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

2026-09-17T11:51:15.791145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023217
observed 5bc40b9f6dabaf6f568adfca9d98c07e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:15.618235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023217/manifest.json
observed 8fdde2b3ce8181cb07d56796f77b9947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.199581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023217/publication.md
observed ac5d4795b7d4e56cf4ee45607987cd39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.151972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023217/publication.txt
observed 2d12b1a040a8b931f9010febe843944f...
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.