Pith Number

pith:IXMWAZYD

pith:2011:IXMWAZYDO53WHKNBZ3QPHK4PEA

not attested not anchored not stored refs pending

Comprehensive study of the magnetic stars HD 5797 and HD 40711 with large chromium and iron overabundances

E. A. Semenko, E. Yu. Kuchaeva, I. A. Yakunin

arxiv:1102.0150 v1 · 2011-02-01 · 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{IXMWAZYDO53WHKNBZ3QPHK4PEA}

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	2026-05-18T04:30:13.092867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d9606703777763a9a1cee0f3ab8f2006266f369107a3ce28a057a0bc2b4cea

Aliases

arxiv: 1102.0150 · arxiv_version: 1102.0150v1 · doi: 10.48550/arxiv.1102.0150 · pith_short_12: IXMWAZYDO53W · pith_short_16: IXMWAZYDO53WHKNB · pith_short_8: IXMWAZYD

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/IXMWAZYDO53WHKNBZ3QPHK4PEA \
  | 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: 45d9606703777763a9a1cee0f3ab8f2006266f369107a3ce28a057a0bc2b4cea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d62b445df0c2bb2988d32f57a311dcd2e83320c69c738ca12745c8dd1fc95d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-01T13:21:56Z",
    "title_canon_sha256": "6901d9eaed0201974cffa32672ef8545429e65a2dab8aec5f504f52cd2273b92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0150",
    "kind": "arxiv",
    "version": 1
  }
}