OpenTechnical

OT-2026-000103546

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000103546) never changes.

Identity and time

Publication numberOT-2026-000103546 · never reused
Internal UUID01a0aea4-e461-7298-b5ff-d3193a64cb31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103546
StatusPUBLIC

Content hashes

Canonical textd1449556e736f88528c13cdc85ceec7c296836e2348fff72b0db8921cb028c6b
Markdown2a9eb3a725c40b30959e81f6300ae60c5f3de1ffbdd6537fbc9c208758ef9e44
PDF
Publication pageb9d1f549f40c26eac01d0fd335e38d52e8f4bae63cf964e0f1d89e2a58ab1daf
Manifestcff2dd7984c3655fbc98771b0c7fad53e1ba22855b6060202a5c8cb999db5953

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
SignatureXoZipDPy1DDmyJhmztGVnCTZxuJS+f1pac+NUK6mqJqGmwDHMknY8hivFRaMAAi7iIq75tdS+e7AXAQS6Vz2Bw==
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

2026-09-17T09:22:19.391557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103546
observed b9d1f549f40c26eac01d0fd335e38d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.373996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103546/manifest.json
observed cff2dd7984c3655fbc98771b0c7fad53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.357319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103546/publication.md
observed 2a9eb3a725c40b30959e81f6300ae60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.339792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103546/publication.txt
observed d1449556e736f88528c13cdc85ceec7c...
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.