OpenTechnical

OT-2026-000048290

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000048290) never changes.

Identity and time

Publication numberOT-2026-000048290 · never reused
Internal UUID01a0ae80-4de3-7136-82b4-aa594fe87d14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048290
StatusPUBLIC

Content hashes

Canonical texta7bf186b5bf5df61191e390b6ea4b2de50325d0d110cfd2720fb1e2abafe7574
Markdowne16eed441fb8b66fdd17847f7eedfb18f82b702b5c13d07169c80ebd15f60af3
PDF
Publication page9f7baf1f2cc2c10dfd7da386657d93767786b6db6c18297e2e70582470865932
Manifeste5809f28366164114f2097550a4fb80c4b72fb5361049f7d375f0a0557d2e265

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
SignatureB1LE8z5x9sRZCaIxMHuFqAh3Bf9kGZubJ/tziReA93U+ZIN8w1kX/mISBvNAFAT5JOGMxhykpTTb/1ZPLPiwDA==
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

2026-09-17T11:04:52.545964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048290
observed 9f7baf1f2cc2c10dfd7da386657d9376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.527131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048290/manifest.json
observed e5809f28366164114f2097550a4fb80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.506567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048290/publication.md
observed e16eed441fb8b66fdd17847f7eedfb18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.485446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048290/publication.txt
observed a7bf186b5bf5df61191e390b6ea4b2de...
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.