OpenTechnical

OT-2026-000027772

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000027772) never changes.

Identity and time

Publication numberOT-2026-000027772 · never reused
Internal UUID01a0ae72-a4a4-7abb-b511-e36c52da5dfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027772
StatusPUBLIC

Content hashes

Canonical text7e022949c739bf1bb769be88b12062a1710be4c8297e7f5c64a26c96fb27ac3a
Markdown3da2ff79e947d21dc977acccc4f85a10640da81b48193ed14af35cb30b78c7fa
PDF
Publication pagebd1e32659c1d2a156beca205c2edf02d60d4b27443c9551aed2759b11c5ce09b
Manifest2b4780d68fce7c9cf98b180c857a19f9c415116f5dbcd3ac0ec31d1b91c82b47

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
SignaturepNoGhNgtubI0/EIiCAum2u3Tnm1nNG52KFA5xZb4l68Nf7lO1dnZ3XRmJuL89YzSHeTtEXI5NxJdLp3DmkdHCA==
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

2026-09-17T11:41:49.185343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027772
observed bd1e32659c1d2a156beca205c2edf02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.165454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027772/manifest.json
observed 2b4780d68fce7c9cf98b180c857a19f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.147292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027772/publication.md
observed 3da2ff79e947d21dc977acccc4f85a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.128011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027772/publication.txt
observed 7e022949c739bf1bb769be88b12062a1...
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.