Pith Number

pith:DPSEIAFP

pith:2002:DPSEIAFPGVOD2Z6BI64N3SPMKX

not attested not anchored not stored refs pending

How free are Composite Fermions at $\nu = 1/2$? A NMR investigation

C. Berthier, L.P. L\'evy, M. Horvati\'c, M. Shayegan, N. Freytag

arxiv:cond-mat/0205306 v1 · 2002-05-15 · 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{DPSEIAFPGVOD2Z6BI64N3SPMKX}

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	2026-05-18T01:09:03.083983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be44400af355c3d67c147b8ddc9ec55f9561b72950512165c6fb667f7baea5c

Aliases

arxiv: cond-mat/0205306 · arxiv_version: cond-mat/0205306v1 · doi: 10.48550/arxiv.cond-mat/0205306 · pith_short_12: DPSEIAFPGVOD · pith_short_16: DPSEIAFPGVOD2Z6B · pith_short_8: DPSEIAFP

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/DPSEIAFPGVOD2Z6BI64N3SPMKX \
  | 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: 1be44400af355c3d67c147b8ddc9ec55f9561b72950512165c6fb667f7baea5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce21eacff5006183d6a2e5ef069f9159b6c0086e568d1c0b7dde9eef3d639a57",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2002-05-15T10:24:23Z",
    "title_canon_sha256": "5d991d445027cff7da450b03c59807250cb9a9231f22d2e05f2287ef2599f0e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0205306",
    "kind": "arxiv",
    "version": 1
  }
}