OpenTechnical

OT-2026-000057185

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057185) never changes.

Identity and time

Publication numberOT-2026-000057185 · never reused
Internal UUID01a0ae87-d5ba-716e-949f-d8d5f1a2b74c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057185
StatusPUBLIC

Content hashes

Canonical textf53997f0fdb43b6000fd75a8db0e52db88aae64dd76c0c3509f9d699a7f6aca4
Markdowne560899bda5afa01ab3946f48c4e01fde43869e66939d34b41682997d8b19f22
PDF
Publication pagec7c20b50f7f663949fd61ca73009375c61c02550641f9ec8aaac8e94de321b09
Manifest5fb844dd95ffe1ce851dee7d34955a9fc52bbe319b79ada4ca5ddc42a51e6a75

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
Signature/JjrBAevzNFmyu7xQ+HBeTZK7+FoGrtPSHlhBwB/BH0Klp18+di4ycrp8cOrnX3APOKRTKL88hwJD45QqZJLDw==
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

2026-09-17T10:50:12.227310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185
observed c7c20b50f7f663949fd61ca73009375c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.210453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185/manifest.json
observed 5fb844dd95ffe1ce851dee7d34955a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.193578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185/publication.md
observed e560899bda5afa01ab3946f48c4e01fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.174331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185/publication.txt
observed f53997f0fdb43b6000fd75a8db0e52db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.597325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185
observed c7c20b50f7f663949fd61ca73009375c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.580243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185/manifest.json
observed 5fb844dd95ffe1ce851dee7d34955a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.563211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185/publication.md
observed e560899bda5afa01ab3946f48c4e01fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.545807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057185/publication.txt
observed f53997f0fdb43b6000fd75a8db0e52db...
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.