OpenTechnical

OT-2026-000052545

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000052545) never changes.

Identity and time

Publication numberOT-2026-000052545 · never reused
Internal UUID01a0ae84-573b-74c2-82ec-e7c7252bcfbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052545
StatusPUBLIC

Content hashes

Canonical textc5d8fe2cb930ecaca985992042c3f8c4214bdc9a71e92a7b4c225a37318f9154
Markdown773cc867185c0393fa211e9cc429bc4bb3d5dc905b005c64cc8bd462392012af
PDF
Publication page9f30e89c9025126cca6c2c9608e5a2862037176634b985224a68212a3c484a8b
Manifest342bc0fcff133f09fc6bb24bcd2d9a001cc1a322ddecae16b6c5f49bbe5cadbb

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
SignatureH5XOrAeXgtzjU3y1x8tZbCqWU8ixlryL7S6+7Jc3f4A7XBAcFRhmFd1Ik7QOZ+gdkH8So3DswnUILuHRaogOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:11.864658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052545
observed 9f30e89c9025126cca6c2c9608e5a286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.847675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052545/manifest.json
observed 342bc0fcff133f09fc6bb24bcd2d9a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.830006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052545/publication.md
observed 773cc867185c0393fa211e9cc429bc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.812102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052545/publication.txt
observed c5d8fe2cb930ecaca985992042c3f8c4...
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.