Pith Number

pith:SM3H2G7Q

pith:2008:SM3H2G7QBBO4P4W4WWC7NWV5LZ

not attested not anchored not stored refs pending

Invariant expansion for the trigonal band structure of graphene

R. Winkler, U. Z\"ulicke

arxiv:0807.4204 v3 · 2008-07-25 · 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{SM3H2G7QBBO4P4W4WWC7NWV5LZ}

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	2026-05-18T04:33:18.314953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93367d1bf0085dc7f2dcb585f6dabd5e6fe549000f617379fb235ee55ee673d9

Aliases

arxiv: 0807.4204 · arxiv_version: 0807.4204v3 · doi: 10.48550/arxiv.0807.4204 · pith_short_12: SM3H2G7QBBO4 · pith_short_16: SM3H2G7QBBO4P4W4 · pith_short_8: SM3H2G7Q

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/SM3H2G7QBBO4P4W4WWC7NWV5LZ \
  | 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: 93367d1bf0085dc7f2dcb585f6dabd5e6fe549000f617379fb235ee55ee673d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8222cc0eff1dc957c3f6a6fd9ce282a800b4d877969675985e7109276c204314",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2008-07-25T23:42:16Z",
    "title_canon_sha256": "872c9a93784e1fc3f90e899a02240b0b925912a5dfb1f8efff24016017e18902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4204",
    "kind": "arxiv",
    "version": 3
  }
}