OpenTechnical

OT-2026-000051606

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000051606) never changes.

Identity and time

Publication numberOT-2026-000051606 · never reused
Internal UUID01a0ae83-7c81-76ce-8bd4-5560c55c2036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051606
StatusPUBLIC

Content hashes

Canonical text9bbf7cd1bf73964d8ac8f090bec6167bf395740e8688723d5a84edb44b87a64e
Markdown6d3e26cf814e1fccc5e9ab5193b72f86fac6f03c7df8052116b4ee0f8cf68e72
PDF
Publication pagef67ccdac6dd019bcedfe8a69d151fd1803550edb56af3ee74ed89de3c418fdf7
Manifest5d7caa9bfe9602f66b62d0657cd4b3cd39477da44e1325523f914cc9efc10041

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
SignaturefyE0Jk4ID+7OlwG7imhbEYaYrV5UImMmob5oAntigTfMoZ7Ui8Mk+diEpqz7IiYl/LMKg2bhzxnYtqCvYuMDCA==
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

2026-09-17T12:41:56.643119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606
observed f67ccdac6dd019bcedfe8a69d151fd18...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:56.406699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606/manifest.json
observed 5d7caa9bfe9602f66b62d0657cd4b3cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:55.835730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606/publication.md
observed 6d3e26cf814e1fccc5e9ab5193b72f86...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:55.539790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606/publication.txt
observed 9bbf7cd1bf73964d8ac8f090bec6167b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.512481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606
observed f67ccdac6dd019bcedfe8a69d151fd18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.491901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606/manifest.json
observed 5d7caa9bfe9602f66b62d0657cd4b3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.475709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606/publication.md
observed 6d3e26cf814e1fccc5e9ab5193b72f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.455855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051606/publication.txt
observed 9bbf7cd1bf73964d8ac8f090bec6167b...
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.