OpenTechnical

OT-2026-000034379

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000034379) never changes.

Identity and time

Publication numberOT-2026-000034379 · never reused
Internal UUID01a0ae75-df0e-7720-9e85-391d487cf70a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034379
StatusPUBLIC

Content hashes

Canonical text8c3b43ec7a86fc9ba896efc97a1c478ef6a88ba2b8eca50337d980ea263d981b
Markdown699116fb2d6e0791cf916038b838d0c15b59dbb5ff8709ae0126c969a0d24222
PDF
Publication page0df03bf9c2849a42a2b1337b729dbc2fd3063576331105443f36c8d8ba3be384
Manifest0b3b52608d979e01fdea61a694bb53733bcbfb06f9f6ebed31b66e894173c106

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
SignatureAw4FUdLzF16F0SGII+nv+unYEliJu4Ju+nsOp3DjESyerCeUPaRtahSLXnWIGGbVxCAGFO4+NrB/JeYFZLglBg==
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

2026-09-17T11:31:05.389205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034379
observed 0df03bf9c2849a42a2b1337b729dbc2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.370745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034379/manifest.json
observed 0b3b52608d979e01fdea61a694bb5373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.351043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034379/publication.md
observed 699116fb2d6e0791cf916038b838d0c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.329906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034379/publication.txt
observed 8c3b43ec7a86fc9ba896efc97a1c478e...
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.