Pith Number

pith:OPWTN6KC

pith:2004:OPWTN6KCQMV7OBSBSYVXX43ZWG

not attested not anchored not stored refs pending

Metal-poor Field Blue Stragglers: More Evidence for Mass Transfer

Bruce W. Carney, David W. Latham, John B. Laird

arxiv:astro-ph/0412110 v1 · 2004-12-05 · 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{OPWTN6KCQMV7OBSBSYVXX43ZWG}

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	2026-07-04T16:45:21.309180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ed36f942832bf70641962b7bf379b19cad054e52516b85364e62cab6d60ee2

Aliases

arxiv: astro-ph/0412110 · arxiv_version: astro-ph/0412110v1 · doi: 10.48550/arxiv.astro-ph/0412110 · pith_short_12: OPWTN6KCQMV7 · pith_short_16: OPWTN6KCQMV7OBSB · pith_short_8: OPWTN6KC

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/OPWTN6KCQMV7OBSBSYVXX43ZWG \
  | 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: 73ed36f942832bf70641962b7bf379b19cad054e52516b85364e62cab6d60ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "438567837f94ae461aa47e509e91f1fd87fb4351529c5ed443114faa11b35e34",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-05T15:38:41Z",
    "title_canon_sha256": "2ee9b9a5e12816d68a71edc1acb3e7c0f07d4d2f4ee0fc6443f970460c8925bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412110",
    "kind": "arxiv",
    "version": 1
  }
}