Pith Number

pith:RN2HDEAV

pith:2018:RN2HDEAVJ6H2ETY6ZRVEFIXLWT

not attested not anchored not stored refs pending

Superionic hydrogen in Earth's deep interior

Chris J. Pickard, Duck Young Kim, Ho-kwang Mao, Qingyang Hu, Richard J. Needs, Yu He

arxiv:1810.08766 v1 · 2018-10-20 · 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{RN2HDEAVJ6H2ETY6ZRVEFIXLWT}

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	2026-05-18T00:02:41.958435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b747190154f8fa24f1ecc6a42a2ebb4e766795979ffdfac4cf8e3636eba2fe1

Aliases

arxiv: 1810.08766 · arxiv_version: 1810.08766v1 · doi: 10.48550/arxiv.1810.08766 · pith_short_12: RN2HDEAVJ6H2 · pith_short_16: RN2HDEAVJ6H2ETY6 · pith_short_8: RN2HDEAV

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/RN2HDEAVJ6H2ETY6ZRVEFIXLWT \
  | 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: 8b747190154f8fa24f1ecc6a42a2ebb4e766795979ffdfac4cf8e3636eba2fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25be52313a7da39a3879e08365994ee860de6fce13b533096a1dd88ab7004e0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-10-20T07:34:30Z",
    "title_canon_sha256": "5f875ce61ee54b94d322617b5be2d9d7ae064a64fa53c45e90b7981cc4686712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08766",
    "kind": "arxiv",
    "version": 1
  }
}