Pith Number

pith:J2AFYTNT

pith:2004:J2AFYTNTLCP7WBLFMVSC3O37RQ

not attested not anchored not stored refs pending

Stellar Population in LLAGN.I: Ground-based observations

Claus Leitherer, & Daniel Schaerer, Enrique Perez, Henrique Schmitt, Lucimara P. Martins, Roberto Cid Fernandes, Rosa M. Gonzalez Delgado, Thaisa Storchi-Bergmann, Timothy Heckman

arxiv:astro-ph/0401416 v1 · 2004-01-21 · 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{J2AFYTNTLCP7WBLFMVSC3O37RQ}

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	2026-05-18T01:07:32.944007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e805c4db3589ffb056565642dbb7f8c146f7c79d3f572e2beae24abb3f24ad7

Aliases

arxiv: astro-ph/0401416 · arxiv_version: astro-ph/0401416v1 · doi: 10.48550/arxiv.astro-ph/0401416 · pith_short_12: J2AFYTNTLCP7 · pith_short_16: J2AFYTNTLCP7WBLF · pith_short_8: J2AFYTNT

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/J2AFYTNTLCP7WBLFMVSC3O37RQ \
  | 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: 4e805c4db3589ffb056565642dbb7f8c146f7c79d3f572e2beae24abb3f24ad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ebe55d74a94ea76cdf29fa67d46032f75eae3953d755a9459fd3936944f52d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-21T09:26:55Z",
    "title_canon_sha256": "40547a5f86d40ca8698679a4ab642b75f7f756f83758f4a606719ae0b6afdb11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401416",
    "kind": "arxiv",
    "version": 1
  }
}