OpenTechnical

OT-2026-000029463

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000029463) never changes.

Identity and time

Publication numberOT-2026-000029463 · never reused
Internal UUID01a0ae73-5e21-7fae-a0a4-679535bbfa7c · 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-2026-000029463
StatusPUBLIC

Content hashes

Canonical text92cee336a5031c940b09645c9be4b1174ed9ffceb117b67f8fedea5b84b92943
Markdownbf7c6c8c6e16437dd59d84f2255b33e36a2434f170aa5ec4c8f5404d3593c584
PDF
Publication page84c9bac60607f27bdfd75382c4c4a99b8fa8fb52b92a40a61a7e0da0917abb91
Manifestb9ec45e2b504190a2187de07b1d1ff02c2076a7d9e658b3076241219566b8da7

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
SignatureqSRn9Zv6040VX5Xpg1QWAXOTkgCUJrTDAClH3RvWP6+VOnP070cR7FLRZ1gkLiYvUANEl63ThW3gjhe7BacCCg==
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

2026-09-17T11:39:05.109961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029463
observed 84c9bac60607f27bdfd75382c4c4a99b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.093730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029463/manifest.json
observed b9ec45e2b504190a2187de07b1d1ff02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.076190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029463/publication.md
observed bf7c6c8c6e16437dd59d84f2255b33e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.058937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029463/publication.txt
observed 92cee336a5031c940b09645c9be4b117...
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.