Pith Number

pith:4REBMAWQ

pith:2015:4REBMAWQWBFCVM7GMLYJSQ3KES

not attested not anchored not stored refs pending

Dirac Semimetals in Two Dimensions

Charles L. Kane, Steve M. Young

arxiv:1504.07977 v2 · 2015-04-29 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4REBMAWQWBFCVM7GMLYJSQ3KES}

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	2026-05-18T01:32:29.624450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4481602d0b04a2ab3e662f099436a24897626a55189828e3114b708c6f7971c

Aliases

arxiv: 1504.07977 · arxiv_version: 1504.07977v2 · doi: 10.48550/arxiv.1504.07977 · pith_short_12: 4REBMAWQWBFC · pith_short_16: 4REBMAWQWBFCVM7G · pith_short_8: 4REBMAWQ

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/4REBMAWQWBFCVM7GMLYJSQ3KES \
  | 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: e4481602d0b04a2ab3e662f099436a24897626a55189828e3114b708c6f7971c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ccccde0af7d647931b2e1fe489b2b19b8f7754fa2e7b14809ea64e8a3f78518",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-04-29T19:42:40Z",
    "title_canon_sha256": "0e66d6eee67d1a75b9939a598dd12c512af36106ac089b16bb7476326e971bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07977",
    "kind": "arxiv",
    "version": 2
  }
}