Pith Number

pith:WIGOTQGD

pith:2009:WIGOTQGD5CMTCCPQYKSGM2KN4Q

not attested not anchored not stored refs pending

Ground-state degeneracies leave recognizable topological scars in the one-particle density

Roi Baer

arxiv:0910.2947 v8 · 2009-10-15 · physics.chem-ph · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIGOTQGD5CMTCCPQYKSGM2KN4Q}

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	2026-05-18T02:11:23.174149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b20ce9c0c3e8993109f0c2a466694de425750ba35698c26ab80ae5537e1b4182

Aliases

arxiv: 0910.2947 · arxiv_version: 0910.2947v8 · doi: 10.48550/arxiv.0910.2947 · pith_short_12: WIGOTQGD5CMT · pith_short_16: WIGOTQGD5CMTCCPQ · pith_short_8: WIGOTQGD

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/WIGOTQGD5CMTCCPQYKSGM2KN4Q \
  | 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: b20ce9c0c3e8993109f0c2a466694de425750ba35698c26ab80ae5537e1b4182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7195b6712ac5b054aea7e5109172d0df4a22fda83a0f59dade3ecbe390a72c01",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2009-10-15T17:38:30Z",
    "title_canon_sha256": "60f567edde7fc8f3599258d8f62e85d133a777993738389194ea129aba49f930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2947",
    "kind": "arxiv",
    "version": 8
  }
}