Pith Number

pith:MK4OB5SY

pith:2007:MK4OB5SYJU4J4ZMKKP2V5FC2GG

not attested not anchored not stored refs pending

Elemental Abundances in PG1159 Stars

E. Reiff, J.W. Kruk, K. Werner, T. Rauch

arxiv:0710.4506 v1 · 2007-10-24 · 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{MK4OB5SYJU4J4ZMKKP2V5FC2GG}

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	2026-07-04T15:05:10.208354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62b8e0f6584d389e658a53f55e945a3199320ab0dd306e013b64390168313dd0

Aliases

arxiv: 0710.4506 · arxiv_version: 0710.4506v1 · doi: 10.48550/arxiv.0710.4506 · pith_short_12: MK4OB5SYJU4J · pith_short_16: MK4OB5SYJU4J4ZMK · pith_short_8: MK4OB5SY

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/MK4OB5SYJU4J4ZMKKP2V5FC2GG \
  | 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: 62b8e0f6584d389e658a53f55e945a3199320ab0dd306e013b64390168313dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80a0d1c4c71fd7ddbb403c3929815e4140ca819266fbf3e1f3b50b65075eaef2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-24T16:26:36Z",
    "title_canon_sha256": "daddf1a5c0d0f3c02d8cdd5841dde5eed1cb273aedea99d42a1637b6d3b5865d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4506",
    "kind": "arxiv",
    "version": 1
  }
}