OpenTechnical

OT-2026-000041592

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000041592) never changes.

Identity and time

Publication numberOT-2026-000041592 · never reused
Internal UUID01a0ae79-e8a0-7923-81ee-aed1150fb273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041592
StatusPUBLIC

Content hashes

Canonical text42961c1ffafb8ba4c10ec8ce0491efb7bda5788c52176aa17e65da682a2d607c
Markdownaf37a4e16293f040d6b5197da0ef654c9c6d1f84712562281c36ef088386469f
PDF
Publication page28af3c159a1fcc2e9d5879a11d45614488277bb8909415f5e452c9fad3161b48
Manifestf79a771390522493cc83851c8d7bc9bc5b2374c13e3f6e59b8f45d3957975fe5

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
SignatureycRH4IhPeX6AaodQ5vJwbJ2v6lm6umFR4lS6W+2/LIdOD2+LuazX6vTTk1/DlswyH/3EgBYZZiBiz1x43+drDw==
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

2026-09-17T11:16:22.909376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041592
observed 28af3c159a1fcc2e9d5879a11d456144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.889603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041592/manifest.json
observed f79a771390522493cc83851c8d7bc9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.871921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041592/publication.md
observed af37a4e16293f040d6b5197da0ef654c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.854831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041592/publication.txt
observed 42961c1ffafb8ba4c10ec8ce0491efb7...
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.