OpenTechnical

OT-2026-000039200

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000039200) never changes.

Identity and time

Publication numberOT-2026-000039200 · never reused
Internal UUID01a0ae78-9673-7edb-96a2-ba2a6ae2f42f · 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-2026-000039200
StatusPUBLIC

Content hashes

Canonical textd1b6e0edf0ceef2f89af8e9d6ee339efdd2d08a476a5541d9ce1b61c3b6cfece
Markdowneb54daae27f3eb4249f80c4c12b755bfa2a10b68a525ffde69e27802fbc76f26
PDF
Publication page30783ed97ce3043af1c8d46faf15a2272629a837994bab558648434cf4691715
Manifest3fda1642f08d75b402ede3ff3dd2aa48670b501fcb7d32b9c6e7584f3fda10cc

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
SignatureDJTVtB+HfUP1rrmY1DNX6j6UVCJXQ0QAm5pMLq/hb9uqameJb9sWGkhOVWcvfPF9gTXmEq5faIGB5h4+uqhLDA==
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

2026-09-17T11:20:44.162545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039200
observed 30783ed97ce3043af1c8d46faf15a227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:44.144871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039200/manifest.json
observed 3fda1642f08d75b402ede3ff3dd2aa48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:44.126147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039200/publication.md
observed eb54daae27f3eb4249f80c4c12b755bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:44.108798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039200/publication.txt
observed d1b6e0edf0ceef2f89af8e9d6ee339ef...
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.