OpenTechnical

OT-2026-000104524

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, vented 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-2026-000104524) never changes.

Identity and time

Publication numberOT-2026-000104524 · never reused
Internal UUID01a0aea7-239f-72f2-82e4-67a35d407f09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104524
StatusPUBLIC

Content hashes

Canonical text2453be5e38efee7eaf4347e33bf82e526da3a78110e826dcab4510cea93fde44
Markdown948cc3a6834616b2c877a6ec84e76bafeb7ac171f4d4da3ddbd8c4b458f4c291
PDF
Publication pagebc91421d4339eeccd2adcd5649fe5e225246be3afe04479ef6f956d8c983547d
Manifestf6f90d0df44affb31dea50d955c5f74eaa70592c1c2e03112bc13d6c60ffb04b

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
Signaturen2mUdxZeKYTXTBsuJkXp1FFXLO98vLU8FXS6cpvvMcysBfnMYxJjygypKcI6LnDgh/rZgjbG0IqgrIaja7hnBg==
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

2026-09-17T09:20:02.448156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104524
observed bc91421d4339eeccd2adcd5649fe5e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.429116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104524/manifest.json
observed f6f90d0df44affb31dea50d955c5f74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.411595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104524/publication.md
observed 948cc3a6834616b2c877a6ec84e76baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.392793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104524/publication.txt
observed 2453be5e38efee7eaf4347e33bf82e52...
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.