Pith Number

pith:KV72MLFJ

pith:2003:KV72MLFJ3LX3HC6L4F7J3RSJUU

not attested not anchored not stored refs pending

Physical Conditions in the Narrow-Line Region of M51

(2) ASTRON, L. D. Bradley (1), M. E. Kaiser (1), W. A. Baan (2) ((1) Johns Hopkins University, Westerbork Observatory)

arxiv:astro-ph/0312067 v1 · 2003-12-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KV72MLFJ3LX3HC6L4F7J3RSJUU}

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	2026-07-04T16:37:55.269114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557fa62ca9daefb38bcbe17e9dc649a536de324b6b253e2226455ba56776fdeb

Aliases

arxiv: astro-ph/0312067 · arxiv_version: astro-ph/0312067v1 · doi: 10.48550/arxiv.astro-ph/0312067 · pith_short_12: KV72MLFJ3LX3 · pith_short_16: KV72MLFJ3LX3HC6L · pith_short_8: KV72MLFJ

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/KV72MLFJ3LX3HC6L4F7J3RSJUU \
  | 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: 557fa62ca9daefb38bcbe17e9dc649a536de324b6b253e2226455ba56776fdeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68594b71379afbf4149dee9346b074440b7e22f0b7b4d0a44a73e7d663b208fa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-02T18:19:16Z",
    "title_canon_sha256": "a46199a1e54d209481f3a7e5e8906851c7baca91f7dc10e265ca93502d3d0cb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312067",
    "kind": "arxiv",
    "version": 1
  }
}