OpenTechnical

OT-2026-000048083

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000048083) never changes.

Identity and time

Publication numberOT-2026-000048083 · never reused
Internal UUID01a0ae7f-c423-7f01-b6ea-a4aa126273ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048083
StatusPUBLIC

Content hashes

Canonical text0e80918b4049f4c9da1f311634554bb1c960dc39f550566a06add01e749988b2
Markdown81a6d47232c23a50086b0ca90965e083b9a9be4bc5465b8be75582e24eb01107
PDF
Publication pageeeac7237a72781cf7b9550e4d0ec205f60e03184bc567087dcba5a7d0851ad74
Manifest1818fde8c90d32551bb498583f3cb498f32d22c07405d4e585871a94a5239dd0

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
SignatureLxBe0+qYqXukgNsIqLw10AXB0mNXRirs+00sTM06ytvl9VrF6xSDyVEJjcYGg6e5qtcNqODEI8a6/VQ7ckoWCw==
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

2026-09-17T11:06:06.138713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048083
observed eeac7237a72781cf7b9550e4d0ec205f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.120573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048083/manifest.json
observed 1818fde8c90d32551bb498583f3cb498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.102088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048083/publication.md
observed 81a6d47232c23a50086b0ca90965e083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.083109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048083/publication.txt
observed 0e80918b4049f4c9da1f311634554bb1...
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.