Pith Number

pith:TIX43Y2T

pith:2007:TIX43Y2T6QD3LYFUK5U5LLPWXH

not attested not anchored not stored refs pending

Age and metallicity of Galactic clusters from full spectrum fitting

Damien Le Borgne, Mina Koleva, Philippe Prugniel, Pierre Ocvirk

arxiv:astro-ph/0702116 v1 · 2007-02-05 · 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{TIX43Y2T6QD3LYFUK5U5LLPWXH}

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	2026-07-04T17:07:37.456585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a2fcde353f407b5e0b45769d5adf6b9fee0e87f5dafd8d13d301fb6cf595443

Aliases

arxiv: astro-ph/0702116 · arxiv_version: astro-ph/0702116v1 · doi: 10.48550/arxiv.astro-ph/0702116 · pith_short_12: TIX43Y2T6QD3 · pith_short_16: TIX43Y2T6QD3LYFU · pith_short_8: TIX43Y2T

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/TIX43Y2T6QD3LYFUK5U5LLPWXH \
  | 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: 9a2fcde353f407b5e0b45769d5adf6b9fee0e87f5dafd8d13d301fb6cf595443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5ec159063a0c1743a5a326bc420eb05bedfb34bb9426b0740ec3735c74a3fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-05T14:53:30Z",
    "title_canon_sha256": "ff6a4eb737c21cb7508b32b924fdbf9d7f64100a85c6e93dba37bd6d4f939de2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702116",
    "kind": "arxiv",
    "version": 1
  }
}