OpenTechnical

OT-2026-000030928

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000030928) never changes.

Identity and time

Publication numberOT-2026-000030928 · never reused
Internal UUID01a0ae74-3fb6-7f4a-b8c4-b90f16594d30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030928
StatusPUBLIC

Content hashes

Canonical text30180abd2da3aa0aa99acb0a3e7e9fe0ac58cd34d1a6b4462302e986511d4a07
Markdown0786c755e7c5a53366d6730f219faa8b9a0472b60634b4e415302a1f7948479f
PDF
Publication page27ccb60bc857a74390628650b4623e96c171ae9c9f3799a4c7947f51cb585854
Manifest4699b07ab9a226d53b1447d2b947a2767d5e9b39953feef7c0730a7f02aba732

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
Signature1igWi1MDX+2sDgu+8sPDLlnC3xKOWQ7w0uP66IhP9h6JBSxNJAhvtDeVddDHKZANED9B05jrtfXdtwntmtE/BQ==
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

2026-09-17T11:36:55.312730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030928
observed 27ccb60bc857a74390628650b4623e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.295580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030928/manifest.json
observed 4699b07ab9a226d53b1447d2b947a276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.277448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030928/publication.md
observed 0786c755e7c5a53366d6730f219faa8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.258518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030928/publication.txt
observed 30180abd2da3aa0aa99acb0a3e7e9fe0...
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.