OpenTechnical

OT-2026-000029552

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000029552) never changes.

Identity and time

Publication numberOT-2026-000029552 · never reused
Internal UUID01a0ae73-5e22-7b3d-8ee4-7547525af127 · 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-2026-000029552
StatusPUBLIC

Content hashes

Canonical text99534fd32f8ad0113c095bb5af050704fd9ae64bd9d0fbdd80a71903189c95a5
Markdown677aed426147e92495a7a116c344121be131a53f15fecd1a8b49993aa45e7a88
PDF
Publication page06c53255c2867e40d25531ccf42cccaecc402422c23816a873d661b65d14e4ca
Manifest9e9eba3710c9608b751835ef6bb596957c6daaa3a49dd9cb1db42e6c3e8f9159

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
SignaturekTXDdA+e4f7cEK79Y3JBiVSrNly/Ox2w6itO0PNkhhlGtm8qA8qmdaW65zklUbdRb7ayFeeuQYd9SY3FB9JMDQ==
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

2026-09-17T11:39:12.580690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029552
observed 06c53255c2867e40d25531ccf42cccae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.565043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029552/manifest.json
observed 9e9eba3710c9608b751835ef6bb59695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.549017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029552/publication.md
observed 677aed426147e92495a7a116c344121b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.529834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029552/publication.txt
observed 99534fd32f8ad0113c095bb5af050704...
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.