OpenTechnical

OT-2026-000089808

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000089808) never changes.

Identity and time

Publication numberOT-2026-000089808 · never reused
Internal UUID01a0ae9c-1a23-72eb-8722-2b848fd29d70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089808
StatusPUBLIC

Content hashes

Canonical textd65995c923521b1e50659060caac9d8b40a92a9fd31fdbd781fe1609d9d3bf00
Markdown29e39e61b2d1b8cbdb84a57874b2a0a384d3dc147d7b06285f7add8179f641a3
PDF
Publication paged0bd73a9fd729f638001f30fbc364d1638dc34202e273be9129505e17d05d802
Manifest7ad0abe2e28f2f8699887e8c6f389554e073ffe9ead50c84c81f3993f316f027

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
Signature+Z+KZKv85OufVTj2Yr/8o6zLlwYPwutvZA7zEX2szOsCddWujy0XzMz96HsLAlR6DjuyIm6WZdet3QPjfFssCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:54.153753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089808
observed d0bd73a9fd729f638001f30fbc364d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.128558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089808/manifest.json
observed 7ad0abe2e28f2f8699887e8c6f389554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.109865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089808/publication.md
observed 29e39e61b2d1b8cbdb84a57874b2a0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.092215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089808/publication.txt
observed d65995c923521b1e50659060caac9d8b...
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.