Pith Number

pith:S4E535EU

pith:2013:S4E535EU7GLLMD3BK6O7TV7TK6

not attested not anchored not stored refs pending

Universal conductivity of graphene in the ultra-relativistic regime

Igor F. Herbut, Vieri Mastropietro

arxiv:1304.1988 v2 · 2013-04-07 · cond-mat.str-el · cond-mat.mes-hall · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S4E535EU7GLLMD3BK6O7TV7TK6}

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	2026-05-18T03:21:11.593000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9709ddf494f996b60f61579df9d7f3579029e13b718910d7a78594ee92633ba6

Aliases

arxiv: 1304.1988 · arxiv_version: 1304.1988v2 · doi: 10.48550/arxiv.1304.1988 · pith_short_12: S4E535EU7GLL · pith_short_16: S4E535EU7GLLMD3B · pith_short_8: S4E535EU

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/S4E535EU7GLLMD3BK6O7TV7TK6 \
  | 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: 9709ddf494f996b60f61579df9d7f3579029e13b718910d7a78594ee92633ba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d48ba79f447adfb60d72cf455260d7a8f907d1353ea14284199f450ab814f6",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-04-07T12:09:53Z",
    "title_canon_sha256": "030a38f76eb1f618e1dec6f35aa23932479b80d05beb29d1675cd6bc0f62db05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1988",
    "kind": "arxiv",
    "version": 2
  }
}