OpenTechnical

OT-2026-000032252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000032252) never changes.

Identity and time

Publication numberOT-2026-000032252 · never reused
Internal UUID01a0ae74-f7a8-7264-a524-9bb7aadc8db8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032252
StatusPUBLIC

Content hashes

Canonical text49d1f85cbe3ec37d98ef1751a167f1713b0d75139411c6b7f0956d7863123933
Markdowna78b9c6bbe6b07233f1e226500517819c1f61052648e97de0fe4bce453e168a9
PDF
Publication pagedbb4d54ce3b32d9e273b1b3946f1ffebd7ee8256a1433ca80913afc77a629470
Manifest2f5c012437e43a22d0517fd95197307b050864f4904dff08418d92390a5b2d8b

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
Signatureg0ILw3lkT32a+QQ0ac80Sx092+E13+VXUFO0kEmMYbApb3RifM7SDc8jrnuIdW9DouZLpkrC5qUhh5g7C18xDg==
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

2026-09-17T11:34:36.588950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032252
observed dbb4d54ce3b32d9e273b1b3946f1ffeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.570514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032252/manifest.json
observed 2f5c012437e43a22d0517fd95197307b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.552601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032252/publication.md
observed a78b9c6bbe6b07233f1e226500517819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.535291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032252/publication.txt
observed 49d1f85cbe3ec37d98ef1751a167f171...
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.