OpenTechnical

OT-2026-000086524

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000086524) never changes.

Identity and time

Publication numberOT-2026-000086524 · never reused
Internal UUID01a0ae9a-2c98-7d42-9505-1c0e2f6b12c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086524
StatusPUBLIC

Content hashes

Canonical textce881c1a728c59aed031cc65ffc270903b9da87be3640208b395b3496d24284b
Markdowne9f6c342498eb75b7966b151dd3856a5b2eb5635ac7bbf69ec6501c517940bac
PDF
Publication page79fa2524ea8ba7cb35dea51289df4ea0b97b906349578fa410363cd661b95ba8
Manifest54255e6b55b19ab3c76e086f632589e9dd72e19c736bdcc745a3fd4b5caaf446

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
SignatureVwrPMr70VIoKgwRp/YW9s/iysSWRD2LIuRgKJN8Vfm1vn1PgtOsjYUzOHhWFK0VGWyb19iY7B7SU/1XkCFRACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:20.777964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086524
observed 79fa2524ea8ba7cb35dea51289df4ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.760837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086524/manifest.json
observed 54255e6b55b19ab3c76e086f632589e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.742101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086524/publication.md
observed e9f6c342498eb75b7966b151dd3856a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.725231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086524/publication.txt
observed ce881c1a728c59aed031cc65ffc27090...
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.