Pith Number

pith:YGPN2KYV

pith:2015:YGPN2KYVP5SZDG5452R72AU2YR

not attested not anchored not stored refs pending

Nexus and Dirac lines in topological materials

G.E. Volovik, T.T. Heikkila

arxiv:1505.03277 v3 · 2015-05-13 · 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{YGPN2KYVP5SZDG5452R72AU2YR}

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	2026-05-18T00:35:44.491246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19edd2b157f65919bbceea3fd029ac46217b4a15e75385ab29c00236a78aa97

Aliases

arxiv: 1505.03277 · arxiv_version: 1505.03277v3 · doi: 10.48550/arxiv.1505.03277 · pith_short_12: YGPN2KYVP5SZ · pith_short_16: YGPN2KYVP5SZDG54 · pith_short_8: YGPN2KYV

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/YGPN2KYVP5SZDG5452R72AU2YR \
  | 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: c19edd2b157f65919bbceea3fd029ac46217b4a15e75385ab29c00236a78aa97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf1fd6a0f772c2f48f09dda29c6ce96c9a2d3152072fed9381cb33b33553c1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-05-13T08:47:35Z",
    "title_canon_sha256": "8bc9d32630f7010f9a95d005b01ed2493c6a6866e9c3ff8534ba68cf6dcc790e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03277",
    "kind": "arxiv",
    "version": 3
  }
}