Pith Number

pith:OR4LU3LD

pith:2012:OR4LU3LD2QMKOCAC4QGV6RLUZC

not attested not anchored not stored refs pending

Refractory Metal Nuggets -- Formation of the First Condensates in the Solar Nebula

Francesco C. Pignatale, Geoffrey Brooks, Kurt Liffman, Sarah Maddison

arxiv:1207.5583 v1 · 2012-07-24 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OR4LU3LD2QMKOCAC4QGV6RLUZC}

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	2026-05-18T01:56:08.648191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7478ba6d63d418a70802e40d5f4574c88e5134fa434642be6b503f6b5857dfc8

Aliases

arxiv: 1207.5583 · arxiv_version: 1207.5583v1 · doi: 10.48550/arxiv.1207.5583 · pith_short_12: OR4LU3LD2QMK · pith_short_16: OR4LU3LD2QMKOCAC · pith_short_8: OR4LU3LD

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/OR4LU3LD2QMKOCAC4QGV6RLUZC \
  | 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: 7478ba6d63d418a70802e40d5f4574c88e5134fa434642be6b503f6b5857dfc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "505d034a03af33d7d58278c5d71e87b79c0ce22673646225bdd8cc9bd50d4b3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-07-24T03:19:49Z",
    "title_canon_sha256": "f0f051ccbfed92d3c3411927b64236dfa5de6d0f2607624b583a55372118d59c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5583",
    "kind": "arxiv",
    "version": 1
  }
}