Pith Number

pith:2RYJBHRD

pith:2019:2RYJBHRDA5SYNN55HOZFAFOVUH

not attested not anchored not stored refs pending

High-pressure lithium as an elemental topological semimetal

Ji Feng, N. W. Ashcroft, Roald Hoffmann, S. A. Bonev, S. F. Elatresh, Zhimou Zhou

arxiv:1901.04130 v3 · 2019-01-14 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RYJBHRDA5SYNN55HOZFAFOVUH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:47:17.497728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d470909e23076586b7bd3bb25015d5a1fe4a15e5c33ec41497bcc28aee24288c

Aliases

arxiv: 1901.04130 · arxiv_version: 1901.04130v3 · doi: 10.48550/arxiv.1901.04130 · pith_short_12: 2RYJBHRDA5SY · pith_short_16: 2RYJBHRDA5SYNN55 · pith_short_8: 2RYJBHRD

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/2RYJBHRDA5SYNN55HOZFAFOVUH \
  | 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: d470909e23076586b7bd3bb25015d5a1fe4a15e5c33ec41497bcc28aee24288c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2030c05ce2b960eecb0259c25d91dceecc61056868a13ed6c5cceb8748b45c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-01-14T05:04:41Z",
    "title_canon_sha256": "bcf51a48c8cc59846419fbd6da5d8d57b58c98eec3fcf8cc67ca326b905fc081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04130",
    "kind": "arxiv",
    "version": 3
  }
}