OpenTechnical

OT-2026-000104279

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000104279) never changes.

Identity and time

Publication numberOT-2026-000104279 · never reused
Internal UUID01a0aea5-3420-74b2-8f37-754150503652 · 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-2026-000104279
StatusPUBLIC

Content hashes

Canonical text5f9a2dffd8985fa7f7643c86012f574887f9929a48bfe5e3222806db8852cbae
Markdownea7b7001944004b17e1b03b6fcc3dbfe94ff17dcac94ab5ab8b7972c12c733b8
PDF
Publication page20f4c01b955702b32677d94ad60699f7c8832d3478c786919a6d642586c97c80
Manifestf4e7b336986f8370bc96b333b47d5586849b101d0a62cd02ec5ac8d6c7f7620c

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
SignaturevhoNkyLm95uhb8VOQrZBEefdwL9FtrB3VumoMfnF6TCtWifve5p5tAEv1G2eZeEDSbthAEBkWw/AbD4PjDSXAQ==
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

2026-09-17T09:20:23.798322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104279
observed 20f4c01b955702b32677d94ad60699f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.780071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104279/manifest.json
observed f4e7b336986f8370bc96b333b47d5586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.761102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104279/publication.md
observed ea7b7001944004b17e1b03b6fcc3dbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.741975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104279/publication.txt
observed 5f9a2dffd8985fa7f7643c86012f5748...
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.