Pith Number

pith:HAQDCI4Q

pith:2015:HAQDCI4QIUMKHYX3C2FPEP2R3P

not attested not anchored not stored refs pending

Effective mass theory for the anisotropic exciton in 2D crystals: Application to phosphorene

Elsa Prada, F. J. Bailen, J. J. Palacios, J. V. Alvarez, K. L. Narasimha-Acharya

arxiv:1504.02245 v2 · 2015-04-09 · 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{HAQDCI4QIUMKHYX3C2FPEP2R3P}

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	2026-05-18T01:19:12.292701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38203123904518a3e2fb168af23f51dbee717895c06439f61af9b44b404890c3

Aliases

arxiv: 1504.02245 · arxiv_version: 1504.02245v2 · doi: 10.48550/arxiv.1504.02245 · pith_short_12: HAQDCI4QIUMK · pith_short_16: HAQDCI4QIUMKHYX3 · pith_short_8: HAQDCI4Q

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/HAQDCI4QIUMKHYX3C2FPEP2R3P \
  | 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: 38203123904518a3e2fb168af23f51dbee717895c06439f61af9b44b404890c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd460a7bc017d13922620c97c4caae81dbb00f9f0e5a75dd619d68b1ff0afc38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-04-09T10:27:04Z",
    "title_canon_sha256": "037329a8b0f1f35a6fee5308ec0d1b91e4ce9bd667726106d19dcf353cd386d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02245",
    "kind": "arxiv",
    "version": 2
  }
}