Pith Number

pith:62J7GEZ5

pith:2010:62J7GEZ5Y5MII6DZNA7XHEEGTY

not attested not anchored not stored refs pending

Rusty old stars: a source of the missing interstellar iron?

Albert A. Zijlstra, Andrew J. Markwick, Gregory C. Sloan, Iain McDonald, Jeronimo Bernard-Salas, Kathleen E. Kraemer, Mikako Matsuura, Noriyuki Matsunaga

arxiv:1005.3489 v1 · 2010-05-19 · 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{62J7GEZ5Y5MII6DZNA7XHEEGTY}

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	2026-05-18T02:07:16.839089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f693f3133dc758847879683f7390869e35031d29a1e60a718bec95c2ce58b1ea

Aliases

arxiv: 1005.3489 · arxiv_version: 1005.3489v1 · doi: 10.48550/arxiv.1005.3489 · pith_short_12: 62J7GEZ5Y5MI · pith_short_16: 62J7GEZ5Y5MII6DZ · pith_short_8: 62J7GEZ5

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/62J7GEZ5Y5MII6DZNA7XHEEGTY \
  | 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: f693f3133dc758847879683f7390869e35031d29a1e60a718bec95c2ce58b1ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37fec14bb6a637a2ac5d602428573e82f51cccc3c399faa9b7f83e6b83f19443",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-19T16:56:15Z",
    "title_canon_sha256": "3d1fc7c941285ffa2c49c93da82729fd2d27b4d9c8e291a281b62534788b4c23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3489",
    "kind": "arxiv",
    "version": 1
  }
}