OpenTechnical

OT-2026-000104063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000104063) never changes.

Identity and time

Publication numberOT-2026-000104063 · never reused
Internal UUID01a0aea5-341e-7d5f-89b8-7ebe10289fef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104063
StatusPUBLIC

Content hashes

Canonical text16424c552cacb3ca4ffe71625c52ac6ea99cdb90263bfcda1aa27f72d5d7e368
Markdown04c24b8d9631ab6e20ab9b820eada7ebeb60c40e9a7bc1f50d7eb9f26d9367ca
PDF
Publication pagedaf5458835d8f251f61ca7a02299cbbdd4e71d71771c970901ff542c29e49aaf
Manifest78e3531ee9af84b30d778f637fea0047a3a4810469694803065217c0b0c0129b

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
SignaturegS8RdEanKjF08+IhireXZBXmZp32A7OPYIzp97pUFUUAVVR/XxwJFINhrmSKhPl9WNIMjVYNW1mJeOrnhXe+Bw==
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

2026-09-17T09:20:07.866111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104063
observed daf5458835d8f251f61ca7a02299cbbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.846672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104063/manifest.json
observed 78e3531ee9af84b30d778f637fea0047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.827585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104063/publication.md
observed 04c24b8d9631ab6e20ab9b820eada7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.808399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104063/publication.txt
observed 16424c552cacb3ca4ffe71625c52ac6e...
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.