OpenTechnical

OT-2026-000029424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000029424) never changes.

Identity and time

Publication numberOT-2026-000029424 · never reused
Internal UUID01a0ae73-5e20-7f0d-866f-f415afff3611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029424
StatusPUBLIC

Content hashes

Canonical text32194c0a38696af606137eeb644d11c4f858cbdaacffbb19febda6c191f71676
Markdowne30a35506778ca31f8e9607b0fcd05557ac82e6b704acfe6ce91d61ac1e5dc70
PDF
Publication page914c941292d3382940316368c9672926d7acc0ed6169979aa62d2c98b855880a
Manifest81751b8cc8f6424b286c2d9576eea1c59d56e1d57f04df4464c32cc022c0c9c7

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
SignaturesMgkaVbEds6VzTWPkEx5EyuL3mbcfh/4k0mYJgE5M4JAJs9UGXwx3hWeH7pDzjlJiVfcTcKnuKr1yELlCwbsBA==
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

2026-09-17T11:39:02.001850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029424
observed 914c941292d3382940316368c9672926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.980843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029424/manifest.json
observed 81751b8cc8f6424b286c2d9576eea1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.962769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029424/publication.md
observed e30a35506778ca31f8e9607b0fcd0555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.946368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029424/publication.txt
observed 32194c0a38696af606137eeb644d11c4...
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.