Pith Number

pith:O4XK5G66

pith:2026:O4XK5G66QDAQZNN5DATXVAZ3JE

not attested not anchored not stored refs pending

Radial gradient of superionic hydrogen in Earth's inner core

Chen Gao, Liangrui Wei, Renata M. Wentzcovitch, Shunqing Wu, Yang Sun, Zepeng Wu

arxiv:2602.03509 v3 · 2026-02-03 · physics.geo-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4XK5G66QDAQZNN5DATXVAZ3JE}

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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.

Cited by

1 paper in Pith

Assessing foundational atomistic models for iron alloys under Earth's core conditions

Receipt and verification

First computed	2026-07-01T01:17:13.305221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772eae9bde80c10cb5bd18277a833b491f116a09dfeea5958717f636edf1a280

Aliases

arxiv: 2602.03509 · arxiv_version: 2602.03509v3 · doi: 10.48550/arxiv.2602.03509 · pith_short_12: O4XK5G66QDAQ · pith_short_16: O4XK5G66QDAQZNN5 · pith_short_8: O4XK5G66

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/O4XK5G66QDAQZNN5DATXVAZ3JE \
  | 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: 772eae9bde80c10cb5bd18277a833b491f116a09dfeea5958717f636edf1a280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3659771d2fe247a4c479571840c76c9287cb29868896267558ca65adaa8bbd4a",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2026-02-03T13:29:58Z",
    "title_canon_sha256": "544149ff0ad188202c054509179ed1ccce5fd6a04c85cf616d4f9b2d76a0321d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03509",
    "kind": "arxiv",
    "version": 3
  }
}