Pith Number

pith:YV4I65BP

pith:2015:YV4I65BPJ6ILWFRUHD7KYIOOZU

not attested not anchored not stored refs pending

Are the double Fermi arcs of Dirac semimetals topologically protected?

Mehdi Kargarian, Mohit Randeria, Yuan-Ming Lu

arxiv:1509.02180 v5 · 2015-09-07 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YV4I65BPJ6ILWFRUHD7KYIOOZU}

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	2026-05-18T01:09:32.214796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5788f742f4f90bb163438feac21cecd122f80641a4480183e5c6adb957ff1f2

Aliases

arxiv: 1509.02180 · arxiv_version: 1509.02180v5 · doi: 10.48550/arxiv.1509.02180 · pith_short_12: YV4I65BPJ6IL · pith_short_16: YV4I65BPJ6ILWFRU · pith_short_8: YV4I65BP

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/YV4I65BPJ6ILWFRUHD7KYIOOZU \
  | 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: c5788f742f4f90bb163438feac21cecd122f80641a4480183e5c6adb957ff1f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef2e70b7927a4095e371ea8559bd087cddad5b90a45a9a071d9b7acb8d5d700d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-09-07T20:24:33Z",
    "title_canon_sha256": "2b654449ae2581e71ec4200a5968751fe3298022c08c2cabddfd4a285ed654db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02180",
    "kind": "arxiv",
    "version": 5
  }
}