Pith Number

pith:G5BNSUDS

pith:2009:G5BNSUDSJM34BVUPC4IIUFE5GP

not attested not anchored not stored refs pending

Topological invariants for Standard Model: from semi-metal to topological insulator

G.E. Volovik

arxiv:0912.0502 v6 · 2009-12-02 · hep-ph · 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{G5BNSUDSJM34BVUPC4IIUFE5GP}

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	2026-05-18T02:34:02.550380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3742d950724b37c0d68f17108a149d33d7e5e33814fbdb8e3d001803236a56d1

Aliases

arxiv: 0912.0502 · arxiv_version: 0912.0502v6 · doi: 10.48550/arxiv.0912.0502 · pith_short_12: G5BNSUDSJM34 · pith_short_16: G5BNSUDSJM34BVUP · pith_short_8: G5BNSUDS

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/G5BNSUDSJM34BVUPC4IIUFE5GP \
  | 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: 3742d950724b37c0d68f17108a149d33d7e5e33814fbdb8e3d001803236a56d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a15355e7db597424df79d43ba54b215d82a363d6fc764d7a41d1b5247feb58ad",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-12-02T19:40:17Z",
    "title_canon_sha256": "446c4bd798c063145207afbb7dcddc700d6a7d1970396c3ccbfeb2f80c4a5b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0502",
    "kind": "arxiv",
    "version": 6
  }
}