Pith Number

pith:XPBI2TAT

pith:2010:XPBI2TATB6ICY42BWSQVRFHQRM

not attested not anchored not stored refs pending

The Ages of Stars

David R. Soderblom

arxiv:1003.6074 v1 · 2010-03-31 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPBI2TATB6ICY42BWSQVRFHQRM}

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.

Cited by

4 papers in Pith

RedDots: Magnetic field of the nearby active M dwarf GJ 729, and a search for companions

Kepler Image-Subtracted Light Curves and Variable Star Catalog of NGC 6819

Precision constraints on stellar physics from main sequence detached eclipsing binaries

Kepler Image-Subtracted Light Curves and Variable Star Catalog of NGC 6819

Receipt and verification

First computed	2026-05-18T02:08:15.446505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbc28d4c130f902c7341b4a15894f08b19bc0d7f3fcd749951239add5288a8c1

Aliases

arxiv: 1003.6074 · arxiv_version: 1003.6074v1 · doi: 10.48550/arxiv.1003.6074 · pith_short_12: XPBI2TATB6IC · pith_short_16: XPBI2TATB6ICY42B · pith_short_8: XPBI2TAT

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/XPBI2TATB6ICY42BWSQVRFHQRM \
  | 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: bbc28d4c130f902c7341b4a15894f08b19bc0d7f3fcd749951239add5288a8c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd26dc9a68aad1b8a47bf50b80db35902beff8e32da8454111a006ff88e4aef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-31T15:12:28Z",
    "title_canon_sha256": "bcc298447eec1361a98963b383be04d15e8c9cf6c5cb42423e9e6c99b502eda4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.6074",
    "kind": "arxiv",
    "version": 1
  }
}