Pith Number

pith:TNBUCTVB

pith:2010:TNBUCTVB3HSNWNILLXFSU6R7EQ

not attested not anchored not stored refs pending

Stellar Archaeology: New Science with Old Stars

Anna Frebel

arxiv:1012.1323 v1 · 2010-12-06 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TNBUCTVB3HSNWNILLXFSU6R7EQ}

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	2026-05-18T02:23:14.993959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b43414ea1d9e4db350b5dcb2a7a3f240e0514695b17f6640fe3b6b9b70c60b1

Aliases

arxiv: 1012.1323 · arxiv_version: 1012.1323v1 · doi: 10.48550/arxiv.1012.1323 · pith_short_12: TNBUCTVB3HSN · pith_short_16: TNBUCTVB3HSNWNIL · pith_short_8: TNBUCTVB

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/TNBUCTVB3HSNWNILLXFSU6R7EQ \
  | 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: 9b43414ea1d9e4db350b5dcb2a7a3f240e0514695b17f6640fe3b6b9b70c60b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b58cc9edf1f134a0686e8e792ee1985c70b140f5ddacacfd064cccf3cb93fa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-12-06T21:00:37Z",
    "title_canon_sha256": "ab3758ada8c12e00c193170afd98a09b9e891c34f0e8bf397493a8add57bf6f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1323",
    "kind": "arxiv",
    "version": 1
  }
}