OpenTechnical

OT-2026-000039396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000039396) never changes.

Identity and time

Publication numberOT-2026-000039396 · never reused
Internal UUID01a0ae78-9675-71e1-b7db-9f6d30fa50e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039396
StatusPUBLIC

Content hashes

Canonical textf136d5376165b3512088c903390045bcd087bd1bdae20d7360c7a64b14c8f993
Markdown1eda847a0460ce07bdccd690bb73d1cb76410d61b1f0b0796f43638b843365c6
PDF
Publication pageb8728a309169566d5a43f45813ca94faea2bed0eb99b40bfb44384f9c0ef8662
Manifestc2b7b8f96ee0beb4a68cfaa12aecf342c4df0df1ad643398731005ab70999eed

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
SignatureMWJ5brkPRXCiNPwhz5JairrY5Z5rmg58wUjvBoSz2s7FErD8o09CJq2NeWfIBAGSQG4tcSjcV2uGJGpdgaUBDw==
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

2026-09-17T11:21:00.427987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039396
observed b8728a309169566d5a43f45813ca94fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.410734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039396/manifest.json
observed c2b7b8f96ee0beb4a68cfaa12aecf342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.393246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039396/publication.md
observed 1eda847a0460ce07bdccd690bb73d1cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.375941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039396/publication.txt
observed f136d5376165b3512088c903390045bc...
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.