Pith Number

pith:CPDIJVWS

pith:2018:CPDIJVWSEEAOQLF4ZXL4EHSBUO

not attested not anchored not stored refs pending

Introducing constrained matched filters for improved separation of point sources from galaxy clusters

Frank Bertoldi, Jens Erler, Kaustuv Basu, Miriam E. Ramos-Ceja

arxiv:1809.06446 v3 · 2018-09-17 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPDIJVWSEEAOQLF4ZXL4EHSBUO}

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	2026-05-17T23:55:03.304606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13c684d6d22100e82cbccdd7c21e41a38e0a565b6d4446ccf20fb5316742db1c

Aliases

arxiv: 1809.06446 · arxiv_version: 1809.06446v3 · doi: 10.48550/arxiv.1809.06446 · pith_short_12: CPDIJVWSEEAO · pith_short_16: CPDIJVWSEEAOQLF4 · pith_short_8: CPDIJVWS

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/CPDIJVWSEEAOQLF4ZXL4EHSBUO \
  | 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: 13c684d6d22100e82cbccdd7c21e41a38e0a565b6d4446ccf20fb5316742db1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34069e46dca78b4b80b9cff4503589e309ec34a4e0555241af5dc4ca7d0d1ad9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-09-17T21:06:48Z",
    "title_canon_sha256": "e0fda8ad12e92200ec9d47d833d5e391ebf22352ab341bed3d7d5d71549b05f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06446",
    "kind": "arxiv",
    "version": 3
  }
}