Pith Number

pith:JPXD57G6

pith:2015:JPXD57G6BNPKNSFPDFQYZBH3I7

not attested not anchored not stored refs pending

Low 60Fe abundance in Semarkona and Sahara 99555

Haolan Tang, Nicolas Dauphas

arxiv:1502.05611 v1 · 2015-02-19 · astro-ph.EP · 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{JPXD57G6BNPKNSFPDFQYZBH3I7}

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	2026-05-18T01:41:00.740932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bee3efcde0b5ea6c8af19618c84fb47c6acd17b243e007093cb77693dcd3ae3

Aliases

arxiv: 1502.05611 · arxiv_version: 1502.05611v1 · doi: 10.48550/arxiv.1502.05611 · pith_short_12: JPXD57G6BNPK · pith_short_16: JPXD57G6BNPKNSFP · pith_short_8: JPXD57G6

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/JPXD57G6BNPKNSFPDFQYZBH3I7 \
  | 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: 4bee3efcde0b5ea6c8af19618c84fb47c6acd17b243e007093cb77693dcd3ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "866e09c5ce46a6de1c74465f7c121326119c1faa123cc66ce6ed0cef108a5945",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-19T16:14:45Z",
    "title_canon_sha256": "c287239cb671a49ef392a49dbe33f5b5a0c2f719849086e83bb6fbc13ef4bebf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05611",
    "kind": "arxiv",
    "version": 1
  }
}