OpenTechnical

OT-2026-000052751

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000052751) never changes.

Identity and time

Publication numberOT-2026-000052751 · never reused
Internal UUID01a0ae84-a42d-7eea-9e17-5676a84f43d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052751
StatusPUBLIC

Content hashes

Canonical text0c30087e42d888a465a227dc5e5bb0ca2943d3b50488fa41e1d83b7dc2ca2d82
Markdown1ee937075153f2809998f3540371b4724acf696a9c78e6cdebdd60ef3ef6dadc
PDF
Publication page99c59567d7733fb5dd5fca21ebdf72bc40c5fe07fdbacee9632e9f7a324bf956
Manifest24c48006345e45de218e99755744f0fd3b0692388973d61f49c2a28966a6aae9

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
SignatureFnAt7SQPv9Bz0Q6aNwjDtCb3paz4l7MHF8U1nJ6/iBuNfU8ZpEol4rUgtESO9pygls3nWtFecN8pYDk7pL6gAw==
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

2026-09-17T10:55:45.195510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052751
observed 99c59567d7733fb5dd5fca21ebdf72bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.157665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052751/manifest.json
observed 24c48006345e45de218e99755744f0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.139210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052751/publication.md
observed 1ee937075153f2809998f3540371b472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.103629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052751/publication.txt
observed 0c30087e42d888a465a227dc5e5bb0ca...
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.