Pith Number

pith:7R637CSZ

pith:2018:7R637CSZUHY7DJA4QYXIOH6UYO

not attested not anchored not stored refs pending

Two-Dimensional Dirac Fermions in Thin Films of Cd3As2

David A. Kealhofer, Honggyu Kim, Luca Galletti, Manik Goyal, Omor F. Shoron, Susanne Stemmer, Timo Schumann

arxiv:1802.09494 v1 · 2018-02-26 · cond-mat.mes-hall · 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{7R637CSZUHY7DJA4QYXIOH6UYO}

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	2026-05-18T00:20:34.887371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7dbf8a59a1f1f1a41c862e871fd4c39970b5e160878a6bfed6e356645828fa

Aliases

arxiv: 1802.09494 · arxiv_version: 1802.09494v1 · doi: 10.48550/arxiv.1802.09494 · pith_short_12: 7R637CSZUHY7 · pith_short_16: 7R637CSZUHY7DJA4 · pith_short_8: 7R637CSZ

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/7R637CSZUHY7DJA4QYXIOH6UYO \
  | 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: fc7dbf8a59a1f1f1a41c862e871fd4c39970b5e160878a6bfed6e356645828fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8246a908387605d631e4e48b80cf4ded87feb8531b7cf2d1975e91929480711",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-02-26T18:18:15Z",
    "title_canon_sha256": "8241657eac38fddd7d3ec16a34e9434f66fd7b9c1a2b70fb8d5d2ce44af9492f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09494",
    "kind": "arxiv",
    "version": 1
  }
}