Pith Number

pith:WFQMANKD

pith:2018:WFQMANKDCVPXSDAACWXPAJM7LQ

not attested not anchored not stored refs pending

Matched filter in the low-number count Poisson noise regime: an efficient and effective implementation

(2) European Southern Observatory), Paola Andreani (2) ((1) Chip Computers Consulting, Roberto Vio (1)

arxiv:1801.02859 v2 · 2018-01-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFQMANKDCVPXSDAACWXPAJM7LQ}

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	2026-05-18T00:08:43.653448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b160c03543155f790c0015aef0259f5c3094ead02358b7a642049a43bfa819c5

Aliases

arxiv: 1801.02859 · arxiv_version: 1801.02859v2 · doi: 10.48550/arxiv.1801.02859 · pith_short_12: WFQMANKDCVPX · pith_short_16: WFQMANKDCVPXSDAA · pith_short_8: WFQMANKD

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/WFQMANKDCVPXSDAACWXPAJM7LQ \
  | 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: b160c03543155f790c0015aef0259f5c3094ead02358b7a642049a43bfa819c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c287e66b2f752e2186aa895595d09b60783e5e88414676c159ddb5c1aedab954",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-01-09T10:06:22Z",
    "title_canon_sha256": "0f84c96f93ebc65ad0ad910c6d3dfa145d7e5d8be36a36116025f25179ec624a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02859",
    "kind": "arxiv",
    "version": 2
  }
}