OpenTechnical

OT-2026-000053475

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000053475) never changes.

Identity and time

Publication numberOT-2026-000053475 · never reused
Internal UUID01a0ae85-0a90-7067-a959-f5fad753caf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053475
StatusPUBLIC

Content hashes

Canonical text4b767d8354d51ed5678f1b364c77e085d329ab1820418b53db8ac1212622a865
Markdown8ceade4902f0539da191c902135ffa04806f468a71a90cc3fdcbd7416b1cc777
PDF
Publication paged693d39bad3f237c84513d5a3a29998a186ee70d9732101561705f252565c37f
Manifest6561969e3dfb3f302c26dd60ce36954ed8e82f6fb7915422fd13980eea5a8054

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
Signatureag+vZiyRG/rEunAUSdEwbGLn0n8Qdys18ZE+a1CwFlIokl/69HPMdIecbsx9LB2zME27Slu8EaJbAVQn35NhAA==
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

2026-09-17T10:55:13.675597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053475
observed d693d39bad3f237c84513d5a3a29998a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.655225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053475/manifest.json
observed 6561969e3dfb3f302c26dd60ce36954e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.635802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053475/publication.md
observed 8ceade4902f0539da191c902135ffa04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.613580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053475/publication.txt
observed 4b767d8354d51ed5678f1b364c77e085...
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.