OpenTechnical

OT-2026-000030392

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000030392) never changes.

Identity and time

Publication numberOT-2026-000030392 · never reused
Internal UUID01a0ae73-e503-7457-9a57-fcdb54232e74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030392
StatusPUBLIC

Content hashes

Canonical textd6e737716b4d1c03e5d3c43870e3bab258c4138820ebe78b4ca06b9054b06862
Markdownd2bc80e39851970723fed646032c0424d0009bd7e715c187812ab7b43ef5be3e
PDF
Publication page47b841fb86b76bb48610ee39430f1bd7df796b1985326c8a40f59c33adc3034b
Manifestc5023d8ce968873c7ac7aa295eb696a5c6fd597f339f801798b138735e9bde04

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
SignatureL5hS65dGx4qMFVYM6DzVMu6/RsIK/UT+9GmlBl56h9+6wcXSqQEyAmRU0jFCeSOvpipsxiZKoc/nyzuoBcVbDQ==
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

2026-09-17T11:38:07.178201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030392
observed 47b841fb86b76bb48610ee39430f1bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.160357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030392/manifest.json
observed c5023d8ce968873c7ac7aa295eb696a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.140378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030392/publication.md
observed d2bc80e39851970723fed646032c0424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.123759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030392/publication.txt
observed d6e737716b4d1c03e5d3c43870e3bab2...
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.