Pith Number

pith:W3CPBNTD

pith:2011:W3CPBNTDKNKMSAKWLMFDQNG5T4

not attested not anchored not stored refs pending

Spectra probing the number ratio of C- to M-type AGB stars in the NGC 6822 galaxy

Maria-Rosa L. Cioni, Marina Rejkuba, Nikolay Kacharov

arxiv:1110.4116 v2 · 2011-10-18 · 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{W3CPBNTDKNKMSAKWLMFDQNG5T4}

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	2026-05-18T02:00:08.999347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6c4f0b6635354c901565b0a3834dd9f0bd1073f0df3388c6c8d80d2d6629959

Aliases

arxiv: 1110.4116 · arxiv_version: 1110.4116v2 · doi: 10.48550/arxiv.1110.4116 · pith_short_12: W3CPBNTDKNKM · pith_short_16: W3CPBNTDKNKMSAKW · pith_short_8: W3CPBNTD

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/W3CPBNTDKNKMSAKWLMFDQNG5T4 \
  | 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: b6c4f0b6635354c901565b0a3834dd9f0bd1073f0df3388c6c8d80d2d6629959

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfed0f23549b2a1b1c4e74b16b891919cddf1aa4ca9d1c60368a0906b561ad43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-18T20:21:38Z",
    "title_canon_sha256": "3314395c9f5425a3f117b61357223e9fd2517754b64c84ce8a0b379645997595"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4116",
    "kind": "arxiv",
    "version": 2
  }
}