Pith Number

pith:5SLV56MF

pith:2006:5SLV56MFVR3YV5SX67RXEB4RLI

not attested not anchored not stored refs pending

The Age-Metallicity Relation of the SMC

A. A. Cole, A. Kayser, A. Koch, D. R. Harbeck, E. K. Grebel, G. S. Da Costa, J. S. Gallagher

arxiv:astro-ph/0607047 v1 · 2006-07-04 · 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{5SLV56MFVR3YV5SX67RXEB4RLI}

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	2026-07-04T14:55:18.876222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec975ef985ac778af657f7e37207915a240ec54b56491236d59a57e9c0fceb46

Aliases

arxiv: astro-ph/0607047 · arxiv_version: astro-ph/0607047v1 · doi: 10.48550/arxiv.astro-ph/0607047 · pith_short_12: 5SLV56MFVR3Y · pith_short_16: 5SLV56MFVR3YV5SX · pith_short_8: 5SLV56MF

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/5SLV56MFVR3YV5SX67RXEB4RLI \
  | 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: ec975ef985ac778af657f7e37207915a240ec54b56491236d59a57e9c0fceb46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7817a8c00cb5f95368f95641988e18a37a77727dd403c8dada98556b156a181e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-04T10:20:58Z",
    "title_canon_sha256": "76a0661a8da88ba2d2ecd7dba3b3098f81a6b62891be7c427cc7402b61b75f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607047",
    "kind": "arxiv",
    "version": 1
  }
}