Pith Number

pith:7D5B2HNS

pith:2009:7D5B2HNS5JIJF2CL7FYEGGGMFY

not attested not anchored not stored refs pending

Vertical absorption edge and universal onset conductance in semi-hydrogenated graphene

C. Zhang, Lei Chen, Zhongshui Ma

arxiv:0911.2040 v1 · 2009-11-11 · 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{7D5B2HNS5JIJF2CL7FYEGGGMFY}

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	2026-05-18T02:10:48.897199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8fa1d1db2ea5092e84bf9704318cc2e1685fe3f54f34246963637c35a94ee3b

Aliases

arxiv: 0911.2040 · arxiv_version: 0911.2040v1 · doi: 10.48550/arxiv.0911.2040 · pith_short_12: 7D5B2HNS5JIJ · pith_short_16: 7D5B2HNS5JIJF2CL · pith_short_8: 7D5B2HNS

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/7D5B2HNS5JIJF2CL7FYEGGGMFY \
  | 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: f8fa1d1db2ea5092e84bf9704318cc2e1685fe3f54f34246963637c35a94ee3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5742f03a4fd78e388fba51bdfb18c93089b39563b5565128bc7241fb89d24557",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-11-11T02:38:36Z",
    "title_canon_sha256": "ea6624e39384606455e4c0d247cd412edeee461d764a79c93a7eee19632e4a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2040",
    "kind": "arxiv",
    "version": 1
  }
}