Pith Number

pith:DKAZEE3J

pith:2009:DKAZEE3JINGKQCOFSZ5MEN2QAW

not attested not anchored not stored refs pending

Barium Stars: Theoretical Interpretation

L. Husti, O. Straniero, R. Gallino, S. Bisterzo, S. Cristallo

arxiv:0909.5560 v1 · 2009-09-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKAZEE3JINGKQCOFSZ5MEN2QAW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:20.735132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a81921369434ca809c5967ac2375005b68b627a6940c80fa2ff7eb548c4f73d

Aliases

arxiv: 0909.5560 · arxiv_version: 0909.5560v1 · doi: 10.48550/arxiv.0909.5560 · pith_short_12: DKAZEE3JINGK · pith_short_16: DKAZEE3JINGKQCOF · pith_short_8: DKAZEE3J

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/DKAZEE3JINGKQCOFSZ5MEN2QAW \
  | 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: 1a81921369434ca809c5967ac2375005b68b627a6940c80fa2ff7eb548c4f73d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2af385a96ad03ee69056f6934862fc25d0d6ffef3abb2c72ae1dedad85a28aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-30T09:57:10Z",
    "title_canon_sha256": "929e838b6257514186df97144fb826a307cd9382ad6c64f801798cdf283417d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5560",
    "kind": "arxiv",
    "version": 1
  }
}