OpenTechnical

OT-2026-000032528

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000032528) never changes.

Identity and time

Publication numberOT-2026-000032528 · never reused
Internal UUID01a0ae75-106f-7146-b16d-ebd71ca087c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032528
StatusPUBLIC

Content hashes

Canonical text25d56d5203bc052723ec699742f6fe3758ddb83c27cd1e7c735b8c6a71614cba
Markdownd9fe17659690d04e5bfd932c05deddaebfc3d8ac73e8df2fe8937e396efbe435
PDF
Publication page1a612010ab5497c907e3bb39c9ef808b6184c9dc13c3b2df748c0a72be7d2644
Manifest4a1ac8a544c31abc46c4e00670cc0d640d41e34e659990353572e022dd2a07b1

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
SignatureR//f9xUPqH8vWYtQ9AGdsZVwnxYDJLnD0nv40+UUE7dDQarVLbkOERMpdCGY2niyegpONtFGj8mN0l6UimMHAg==
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

2026-09-17T11:34:05.223868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032528
observed 1a612010ab5497c907e3bb39c9ef808b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.206769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032528/manifest.json
observed 4a1ac8a544c31abc46c4e00670cc0d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.187216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032528/publication.md
observed d9fe17659690d04e5bfd932c05deddae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.170089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032528/publication.txt
observed 25d56d5203bc052723ec699742f6fe37...
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.