Pith Number

pith:PIJXMSZN

pith:2009:PIJXMSZNV4IJWYKJDS2URE3Q7X

not attested not anchored not stored refs pending

The evolution of low-metallicity asymptotic giant branch stars and the formation of carbon-enhanced metal-poor stars

Christopher A. Tout, Herbert H. B. Lau, Richard J. Stancliffe

arxiv:0903.2324 v1 · 2009-03-13 · 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{PIJXMSZNV4IJWYKJDS2URE3Q7X}

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	2026-05-18T02:14:28.604648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a13764b2daf109b61491cb5489370fdc0de211d4673ede5c93938a40c96dab1

Aliases

arxiv: 0903.2324 · arxiv_version: 0903.2324v1 · doi: 10.48550/arxiv.0903.2324 · pith_short_12: PIJXMSZNV4IJ · pith_short_16: PIJXMSZNV4IJWYKJ · pith_short_8: PIJXMSZN

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/PIJXMSZNV4IJWYKJDS2URE3Q7X \
  | 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: 7a13764b2daf109b61491cb5489370fdc0de211d4673ede5c93938a40c96dab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b890a401f3c69416b57f84208a319502529bfed9bc6002dde0ee69261b57567",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-13T07:43:40Z",
    "title_canon_sha256": "58187f4a51d3d378ea189b190598fa911f05d71e795684183e54e0b78f4bea26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2324",
    "kind": "arxiv",
    "version": 1
  }
}