OpenTechnical

OT-2026-000036904

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000036904) never changes.

Identity and time

Publication numberOT-2026-000036904 · never reused
Internal UUID01a0ae77-773f-73be-800f-5a8a4c3f0d5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036904
StatusPUBLIC

Content hashes

Canonical textc9c5a739ce540134589d8b023dc855f8993ac92933570ac3baff3408c0f9614b
Markdown25dacb097bbd44bf1f245b988d9ee4fecd8c80d30ae88c9daba7e47181bd5c52
PDF
Publication page1bbfe6e96d4152f302e3a66ae3185e49db58a51516d5bc302e6685e337ceca63
Manifest0bcff339e1620c77da57c464df1bd978caa50c31a080270a04977fac90bf4caf

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
SignatureCr45+myWDvjJWeFp4Fp3+zkq7EE4dAnbvln72104XdAh0iTo3t71M6dEtzQdBJ/ioxBNpHNqV4qsvhfgfo9qBg==
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

2026-09-17T11:24:32.653619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036904
observed 1bbfe6e96d4152f302e3a66ae3185e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.636979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036904/manifest.json
observed 0bcff339e1620c77da57c464df1bd978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.618267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036904/publication.md
observed 25dacb097bbd44bf1f245b988d9ee4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.600410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036904/publication.txt
observed c9c5a739ce540134589d8b023dc855f8...
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.