OpenTechnical

OT-2026-000052434

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented before set-down, on a tool changer

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-2026-000052434) never changes.

Identity and time

Publication numberOT-2026-000052434 · never reused
Internal UUID01a0ae84-5739-7736-8bed-cfa358b6bd67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052434
StatusPUBLIC

Content hashes

Canonical text02ed2bfa99b4c20049400e11fb38e4117105608cc6780dd0459f15c4b92bef5c
Markdown8364015350ec7170f7678065f7dae7838255b46507055a8c23282c66827094d5
PDF
Publication page914d6f7010e3aceafd72c259673e4dd9adba6e653fc227577a3048edd09a4523
Manifest3fbf95cfe653b8bc4b28ac073a715a38371e2111a3d8a55cd82976e08f902680

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
SignatureMWDVpTHKlMsM4pO44rAJQIenVA5eYkogQjv4ivikPFXM5dONDnLlO34oZHLJpFyBCVFIX0K5TfhIHsdphSxiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:03.174559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052434
observed 914d6f7010e3aceafd72c259673e4dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.157426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052434/manifest.json
observed 3fbf95cfe653b8bc4b28ac073a715a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.139905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052434/publication.md
observed 8364015350ec7170f7678065f7dae783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.121374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052434/publication.txt
observed 02ed2bfa99b4c20049400e11fb38e411...
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.