Pith Number

pith:H7RIMLY5

pith:2012:H7RIMLY5IHJOCNM4TOT6Q665XF

not attested not anchored not stored refs pending

Solar Fe abundance and magnetic fields - Towards a consistent reference metallicity

\AA. Nordlund, D. Fabbian, E. Khomenko, F. Moreno-Insertis

arxiv:1209.2771 v1 · 2012-09-13 · 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{H7RIMLY5IHJOCNM4TOT6Q665XF}

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	2026-05-18T01:54:29.661740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fe2862f1d41d2e1359c9ba7e87bddb96e7be6dd7c9e08eaab7903ca757bfac8

Aliases

arxiv: 1209.2771 · arxiv_version: 1209.2771v1 · doi: 10.48550/arxiv.1209.2771 · pith_short_12: H7RIMLY5IHJO · pith_short_16: H7RIMLY5IHJOCNM4 · pith_short_8: H7RIMLY5

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/H7RIMLY5IHJOCNM4TOT6Q665XF \
  | 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: 3fe2862f1d41d2e1359c9ba7e87bddb96e7be6dd7c9e08eaab7903ca757bfac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6af8547fc3c4378cdcd5e13130f81bc6111e87b283e4180f535948126ccdae39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-13T03:18:55Z",
    "title_canon_sha256": "365ca2e477c329cfc06b84b7b32e8e06462959176cf9b6a5265e7efddfd89f5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2771",
    "kind": "arxiv",
    "version": 1
  }
}