Pith Number

pith:5HIX5MXU

pith:2009:5HIX5MXUWOWPWUX4NEVR6234PZ

not attested not anchored not stored refs pending

Evidence for Graphene Edges Beyond Zigzag and Armchair

Hannu H\"akkinen, Pekka Koskinen, Sami Malola

arxiv:0906.0688 v2 · 2009-06-03 · 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{5HIX5MXUWOWPWUX4NEVR6234PZ}

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	2026-05-18T04:34:55.520639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d17eb2f4b3acfb52fc692b1f6b7c7e6e18daa2e20e681309fb843fed0f6bae

Aliases

arxiv: 0906.0688 · arxiv_version: 0906.0688v2 · doi: 10.48550/arxiv.0906.0688 · pith_short_12: 5HIX5MXUWOWP · pith_short_16: 5HIX5MXUWOWPWUX4 · pith_short_8: 5HIX5MXU

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/5HIX5MXUWOWPWUX4NEVR6234PZ \
  | 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: e9d17eb2f4b3acfb52fc692b1f6b7c7e6e18daa2e20e681309fb843fed0f6bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1604285ca9a41dc6114447ebc9c78efa107310ee949e1bcda3b3715a0bf56b05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-06-03T11:32:42Z",
    "title_canon_sha256": "d7ab1a5c5adad399ca99cf6d594176465e8a982a0ecf284bf8186c498f982736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0688",
    "kind": "arxiv",
    "version": 2
  }
}