Pith Number

pith:NPP2NECV

pith:2016:NPP2NECVN4HBASTDFDBN3CAB6P

not attested not anchored not stored refs pending

The role of narrowband filtering in improving signal-to-noise ratio of ghost imaging with thermal light background

Bin Luo, Dongyue Yang, Guohua Wu, Hong Guo, Junhui Li, Longfei Yin

arxiv:1602.03949 v3 · 2016-02-12 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPP2NECVN4HBASTDFDBN3CAB6P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:20:16.149178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bdfa690556f0e104a6328c2dd8801f3e19454039f03fae572bed06f7f84b33d

Aliases

arxiv: 1602.03949 · arxiv_version: 1602.03949v3 · doi: 10.48550/arxiv.1602.03949 · pith_short_12: NPP2NECVN4HB · pith_short_16: NPP2NECVN4HBASTD · pith_short_8: NPP2NECV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NPP2NECVN4HBASTDFDBN3CAB6P \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6bdfa690556f0e104a6328c2dd8801f3e19454039f03fae572bed06f7f84b33d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1664e0c4980f004f5dd483d7b6ba992fe0bb0e832f7627ca4c61916cee8d3cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-02-12T02:45:19Z",
    "title_canon_sha256": "309446ac344ddd4f0e02e753ed60a285c843a736e24efcd5cbf3121a06bae7d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03949",
    "kind": "arxiv",
    "version": 3
  }
}