OpenTechnical

OT-2026-000048107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000048107) never changes.

Identity and time

Publication numberOT-2026-000048107 · never reused
Internal UUID01a0ae7f-c424-7b50-82c1-40124a011a3a · 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-2026-000048107
StatusPUBLIC

Content hashes

Canonical text380af4188c8f21cf3351e0a4bef77645f069d38d1088c7d3d5177fedb37a3d8c
Markdown03920b7a46e66076efea92f2d9af97b843ad37516f89ae9b5e8e0de9ae8c1a4d
PDF
Publication page60159f15bd84ff25dd6c04426848017bf16bc063ce9a4fc9d72a978818133864
Manifest1a99e48461ac475c0bf803929b7953d03969e6ef505b6434514abb2a8e8c1b72

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
Signatureiv8SDNyjj6koZmfec+IoDwuwdShicjNbZpz1wrsfcfgaPWHnxDnylert6oIh1bNSWWzjOMuaG+p9bS2ItKdNCw==
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

2026-09-17T11:06:08.120934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048107
observed 60159f15bd84ff25dd6c04426848017b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.102847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048107/manifest.json
observed 1a99e48461ac475c0bf803929b7953d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.082705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048107/publication.md
observed 03920b7a46e66076efea92f2d9af97b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:08.061933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048107/publication.txt
observed 380af4188c8f21cf3351e0a4bef77645...
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.