Pith Number

pith:B7ESULZY

pith:2004:B7ESULZYLCDP5QMYEE6NPTXXT4

not attested not anchored not stored refs pending

H II emission line region in LEDA 212995, a small neighboring galaxy of Mrk 1040

D. Ilic, E. Bon, E.G. Mediavilla, G. Richter, L. C. Popovic

arxiv:astro-ph/0402010 v1 · 2004-02-01 · 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{B7ESULZYLCDP5QMYEE6NPTXXT4}

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	2026-05-18T01:07:32.882542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc92a2f385886fec198213cd7cef79f33c9a96fafe8bd2f7657d1cdf90c4961

Aliases

arxiv: astro-ph/0402010 · arxiv_version: astro-ph/0402010v1 · doi: 10.48550/arxiv.astro-ph/0402010 · pith_short_12: B7ESULZYLCDP · pith_short_16: B7ESULZYLCDP5QMY · pith_short_8: B7ESULZY

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/B7ESULZYLCDP5QMYEE6NPTXXT4 \
  | 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: 0fc92a2f385886fec198213cd7cef79f33c9a96fafe8bd2f7657d1cdf90c4961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e130eaf37f6368a0375f90128208d79f7b2c8b7be1e9f9b72e4a50196b73ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-01T13:19:35Z",
    "title_canon_sha256": "efa4076370d7f2dfa02a12ea8dfe76d0baf62f8f7071dadc03d8542783e46b3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402010",
    "kind": "arxiv",
    "version": 1
  }
}