OpenTechnical

OT-2026-000031195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000031195) never changes.

Identity and time

Publication numberOT-2026-000031195 · never reused
Internal UUID01a0ae74-87ab-7bb3-8223-fc86c204ff79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031195
StatusPUBLIC

Content hashes

Canonical textf29d6fdb0e4e30f84cb4151bd74da84e6ad7941779f72eda67b43de3a3dc4f80
Markdown62b7d49e352d13adbf7ea7f3b2c33e06e63bb45de0cd6389fed04a518dfb526b
PDF
Publication page98d0bb087d9507dbd4c37ef1030920f42455b9a18c8d80e91f498284bca11987
Manifestf13bf4d6eff5b662ac194640ae945d584d4ea57bd33e2789e0a906e26e5249c3

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
Signaturek1i7zkjH1VL1x6BHUxI/iSgqocRLgrZoI4/HXqQh838hUFI7X5E1lnENx/WBNOjpH5ASbLN+32nswCWb7cbQAQ==
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

2026-09-17T11:35:45.377165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031195
observed 98d0bb087d9507dbd4c37ef1030920f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.355779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031195/manifest.json
observed f13bf4d6eff5b662ac194640ae945d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.337636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031195/publication.md
observed 62b7d49e352d13adbf7ea7f3b2c33e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.320421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031195/publication.txt
observed f29d6fdb0e4e30f84cb4151bd74da84e...
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.