OpenTechnical

OT-2026-000049009

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049009) never changes.

Identity and time

Publication numberOT-2026-000049009 · never reused
Internal UUID01a0ae81-134c-70f7-869e-52abe63b31f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049009
StatusPUBLIC

Content hashes

Canonical text63ce61c7e2e3568a63631c03caa0c3d95e96a5cf78a9e8fde95c67cf3e36f144
Markdown13b630902e176a2262f212d23d7a71569843fcc3448a6ed505c31f09a1559fed
PDF
Publication pagebdde892727e2bfa0b4450c69a6b3969adfc7c2eadb9e0f63b29bb5c39944b0f8
Manifestfcba3324b6bedb42b1912e67046a6631818a1d02512ca23b1b38c5b54f6394ad

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
Signature22sH3BhrMbE+UIoY+aRKUBgbVdZMMMg42ad2hDVGy5q8dEcagxRfMPpoZ0d7tOrzmmjJ8PDD1ePpAj04e76LDg==
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

2026-09-17T11:03:13.332085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049009
observed bdde892727e2bfa0b4450c69a6b3969a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.316974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049009/manifest.json
observed fcba3324b6bedb42b1912e67046a6631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.297198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049009/publication.md
observed 13b630902e176a2262f212d23d7a7156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.280025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049009/publication.txt
observed 63ce61c7e2e3568a63631c03caa0c3d9...
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.