OpenTechnical

OT-2026-000044146

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000044146) never changes.

Identity and time

Publication numberOT-2026-000044146 · never reused
Internal UUID01a0ae7b-d67b-72f6-9321-0dd20867a80a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044146
StatusPUBLIC

Content hashes

Canonical text4fe36253aba740d87d9fa025848ff77e99480a0ab6272df38ff71eb1bfb6ab3b
Markdown518796cce6a37da134b1b2998d3bfd33d7533025f9c63ff0628a96c535f65240
PDF
Publication page1af2cffd67c6f307c6f12ef16074ea5fa0dfdbe7866a95113b2601ba2990b471
Manifestcf218f1222f61034a66d12aed146ca16f7fbe5d48b8a5c27b86a46715e03750a

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
SignatureG9ysBeklGi+B0+5yZD0H6ZUgHgjxsyyafE27DgJFJ7Vk2hikquTVIBsMTmt8zKdy0QyyPq7kkPlsO+hxrPvmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:34.176110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044146
observed 1af2cffd67c6f307c6f12ef16074ea5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.158453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044146/manifest.json
observed cf218f1222f61034a66d12aed146ca16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.137408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044146/publication.md
observed 518796cce6a37da134b1b2998d3bfd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.114564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044146/publication.txt
observed 4fe36253aba740d87d9fa025848ff77e...
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.