Pith Number

pith:JNPUZ4HY

pith:2008:JNPUZ4HYXPFAPVE736I3KE66TE

not attested not anchored not stored refs pending

From acene to graphene spectrum of $\pi$ electrons with the use of the Green's function

Alexander Onipko, Lyuba Malysheva

arxiv:0804.4552 v1 · 2008-04-29 · 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{JNPUZ4HYXPFAPVE736I3KE66TE}

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	2026-05-18T02:15:53.297150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b5f4cf0f8bbca07d49fdf91b513de991e9ecddbf006cb83e63f088d483c12dd

Aliases

arxiv: 0804.4552 · arxiv_version: 0804.4552v1 · doi: 10.48550/arxiv.0804.4552 · pith_short_12: JNPUZ4HYXPFA · pith_short_16: JNPUZ4HYXPFAPVE7 · pith_short_8: JNPUZ4HY

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/JNPUZ4HYXPFAPVE736I3KE66TE \
  | 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: 4b5f4cf0f8bbca07d49fdf91b513de991e9ecddbf006cb83e63f088d483c12dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f12877802a13dad52750fd93b663726256ce98228a8dcff4413f999dbe71db1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2008-04-29T08:24:51Z",
    "title_canon_sha256": "0f597e0ec8164b246fd1b851d38bd4c8c64d235ec13d0533b352dde7c10edc2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4552",
    "kind": "arxiv",
    "version": 1
  }
}