OpenTechnical

OT-2026-000103848

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103848) never changes.

Identity and time

Publication numberOT-2026-000103848 · never reused
Internal UUID01a0aea5-15e6-7e26-a895-c702ebd105cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103848
StatusPUBLIC

Content hashes

Canonical text2507cb09f10e88ea0e419e4101cd8e14d03720013d57f5410dca8dc0ddbaed26
Markdownd280d470699592959bcbe54fe60d11796718c549487da86b387ca4abf31c4576
PDF
Publication page6d613eea5304901d06e9004a85bd11ce7aa9c2dbd1bf4854741146ab9a8e471c
Manifest1d4e00cd664fe893c38ca0900fd741ce01161367594c9083a02611963de9521b

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
SignaturecU30ABYBDryWypeRA9fiBtLc24KcTfef2iHJC5pSwxT5QBjutMdC6ExdgCi2tIiOnlQtugAOQOGBNzFEJ1NxCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:49.665471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103848
observed 6d613eea5304901d06e9004a85bd11ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.647827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103848/manifest.json
observed 1d4e00cd664fe893c38ca0900fd741ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.628982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103848/publication.md
observed d280d470699592959bcbe54fe60d1179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.609800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103848/publication.txt
observed 2507cb09f10e88ea0e419e4101cd8e14...
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.