OpenTechnical

OT-2026-000052711

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000052711) never changes.

Identity and time

Publication numberOT-2026-000052711 · never reused
Internal UUID01a0ae84-a42d-7260-8577-a7b22cbacfee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052711
StatusPUBLIC

Content hashes

Canonical textc45e9bbe7306c7b98556c282a9928f7ae6ded949508692e139de1f548d130675
Markdown7fb9c88cb3188cefe267f28163c1ce619eb9de830ce122b059bf0185a5cd69a7
PDF
Publication page32769b3c25f8b1db1ad39121974483573ecdf09e48808af63bcbaf6faf0c722d
Manifest0155dd5faf9cbf043a789137e510ac3637d6b56407b8e1e3776d5ef67bec9d9f

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
Signaturel8+WjHldrtrFhi3HQ1xPtvtwjul7MjYOlqQnYyE8RuYZPlDPT5chG2UcwHI7H28sFk78x1XHOdJ6LXcDoTeWCw==
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

2026-09-17T10:55:41.984263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052711
observed 32769b3c25f8b1db1ad3912197448357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:41.964833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052711/manifest.json
observed 0155dd5faf9cbf043a789137e510ac36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:41.944723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052711/publication.md
observed 7fb9c88cb3188cefe267f28163c1ce61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:41.923902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052711/publication.txt
observed c45e9bbe7306c7b98556c282a9928f7a...
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.