Pith Number

pith:NZO2C646

pith:2015:NZO2C6465JOENOI7UJRI55CWS6

not attested not anchored not stored refs pending

Emergence of Two-Dimensional Massless Dirac Fermions, Chiral Pseudospins, and Berry's Phase in Potassium Doped Few-Layer Black Phosphorus

Hyoung Joon Choi, Keun Su Kim, Seung Su Baik, Yeonjin Yi

arxiv:1508.04932 v2 · 2015-08-20 · 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{NZO2C6465JOENOI7UJRI55CWS6}

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	2026-05-18T01:24:24.555278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e5da17b9eea5c46b91fa2628ef45697b68071ac9dc8745d21f535f1e9888af6

Aliases

arxiv: 1508.04932 · arxiv_version: 1508.04932v2 · doi: 10.48550/arxiv.1508.04932 · pith_short_12: NZO2C6465JOE · pith_short_16: NZO2C6465JOENOI7 · pith_short_8: NZO2C646

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/NZO2C6465JOENOI7UJRI55CWS6 \
  | 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: 6e5da17b9eea5c46b91fa2628ef45697b68071ac9dc8745d21f535f1e9888af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a26409b57bd1c4f17260b5c3aa0841daf8e5aa3525c7e5aaabfc6d84f68c1eaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-08-20T09:27:35Z",
    "title_canon_sha256": "b351c568dab091b1a712073b45689e37b01e2dc871bdae28459699a12578016d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04932",
    "kind": "arxiv",
    "version": 2
  }
}