OpenTechnical

OT-2026-000034956

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000034956) never changes.

Identity and time

Publication numberOT-2026-000034956 · never reused
Internal UUID01a0ae76-6a1b-7045-a44d-621810dd1731 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034956
StatusPUBLIC

Content hashes

Canonical text708c53c025e0115cf65014afd0ac75671ea4d56eba0de99a9cbf7399242e8a22
Markdownd7b382a7962f19792e754c6e9fce1455e6312bf70dbf91a76f01b95bea8f6853
PDF
Publication pagecbb1ce04cc1402099914f4ef8739df2b3d778673a80b1aa4cd6f9ed0ab2caf99
Manifesta2b99c9df533e9a555065bcd0293f1c068a3708746f153744e96f871e0dff617

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
SignatureWmN7tBkA8MccMfyTQS/ikqym/tdZi6/ILfmndMhHShaZrvjJ6DFVYyFC8r78KAr5+Kuk7GPeYCNB8C2jZxrlCw==
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

2026-09-17T11:27:52.873002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034956
observed cbb1ce04cc1402099914f4ef8739df2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:52.856699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034956/manifest.json
observed a2b99c9df533e9a555065bcd0293f1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:52.839664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034956/publication.md
observed d7b382a7962f19792e754c6e9fce1455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:52.821022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034956/publication.txt
observed 708c53c025e0115cf65014afd0ac7567...
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.