Pith Number

pith:OSIFE4PH

pith:2010:OSIFE4PHW3HSBM7SINRJWLNHBU

not attested not anchored not stored refs pending

Variational approach to the excitonic phase transition in graphene

F. Guinea, F. Sols, J. Sabio

arxiv:1007.3471 v1 · 2010-07-20 · 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{OSIFE4PHW3HSBM7SINRJWLNHBU}

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	2026-05-18T04:21:13.672394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74905271e7b6cf20b3f243629b2da70d028ce1628af1df65c11a5e1858218238

Aliases

arxiv: 1007.3471 · arxiv_version: 1007.3471v1 · doi: 10.48550/arxiv.1007.3471 · pith_short_12: OSIFE4PHW3HS · pith_short_16: OSIFE4PHW3HSBM7S · pith_short_8: OSIFE4PH

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/OSIFE4PHW3HSBM7SINRJWLNHBU \
  | 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: 74905271e7b6cf20b3f243629b2da70d028ce1628af1df65c11a5e1858218238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eec983c7553df1b1774ede7beb55fe3e51b93921809a149b95404b590da4528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2010-07-20T17:54:58Z",
    "title_canon_sha256": "936c996d5e70237d9fc88c016fa47c1ad2ee1ba34ad9e697962bbafb9d900517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3471",
    "kind": "arxiv",
    "version": 1
  }
}