OpenTechnical

OT-2026-000018656

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000018656) never changes.

Identity and time

Publication numberOT-2026-000018656 · never reused
Internal UUID01a0ae6e-d520-7831-bfe7-2b063e138812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018656
StatusPUBLIC

Content hashes

Canonical texta537b28cc8c2e20fb63c2d269cc6e23b981b0f7cd37ff5fb38ae838c44a414e6
Markdowndbd84abb5b3c16ee296f88272f2fef2c4e696c50d70feebe82bda85df3983f62
PDF
Publication pageec4b525fb254ddff7e7d79c6e3a65913c6b74660b166e625918c51e3203fd9f6
Manifeste62bece626c674282e1928bb5edc39807aaab2f51df7319d0ee254179d0a7d3a

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
SignatureoIFlFaDd3sJV0AVj+mrArXEbIB7SwvsX7B+P9qK1tibeGeEBW+LQ/y9cAVBRE3SubbKBlSIrkU8CyUUMmePCAA==
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

2026-09-17T11:59:09.517249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018656
observed ec4b525fb254ddff7e7d79c6e3a65913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.498797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018656/manifest.json
observed e62bece626c674282e1928bb5edc3980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.481432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018656/publication.md
observed dbd84abb5b3c16ee296f88272f2fef2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.463207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018656/publication.txt
observed a537b28cc8c2e20fb63c2d269cc6e23b...
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.