Pith Number

pith:3UYM4RFK

pith:2011:3UYM4RFKQBGV62VJKOFYIKWHJP

not attested not anchored not stored refs pending

Few simple rules governing hydrogenation of graphene dots

Alessandro Ponti, Gian Franco Tantardini, Matteo Bonfanti, Rocco Martinazzo, Simone Casolo

arxiv:1107.4324 v1 · 2011-07-21 · 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{3UYM4RFKQBGV62VJKOFYIKWHJP}

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	2026-05-18T02:01:11.868279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd30ce44aa804d5f6aa9538b842ac74be7b9375803a0e7d63c6b41b08cbd75b7

Aliases

arxiv: 1107.4324 · arxiv_version: 1107.4324v1 · doi: 10.48550/arxiv.1107.4324 · pith_short_12: 3UYM4RFKQBGV · pith_short_16: 3UYM4RFKQBGV62VJ · pith_short_8: 3UYM4RFK

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/3UYM4RFKQBGV62VJKOFYIKWHJP \
  | 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: dd30ce44aa804d5f6aa9538b842ac74be7b9375803a0e7d63c6b41b08cbd75b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c5786cce07ea329e517593e335f80960398acec9dae24a9ac06aeba637daff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2011-07-21T17:50:02Z",
    "title_canon_sha256": "1d6659722a018569a71912a16299bb6b05526e4418b4f51d8f6245c81bb5f8b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4324",
    "kind": "arxiv",
    "version": 1
  }
}