Pith Number

pith:APZQ4WHO

pith:2011:APZQ4WHODT523YQT3JYSVJXFTX

not attested not anchored not stored refs pending

Adsorption and diffusion of H2O molecule on the Be(0001) surface: A density-functional theory study

Jian Zhao, Peng Zhang, Ping Zhang, Shuang-Xi Wang, Shu-Shen Li

arxiv:1103.4440 v1 · 2011-03-23 · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APZQ4WHODT523YQT3JYSVJXFTX}

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	2026-05-18T02:02:47.933534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03f30e58ee1cfbade213da712aa6e59df5858745698856d6fbaf3170db99bcd5

Aliases

arxiv: 1103.4440 · arxiv_version: 1103.4440v1 · doi: 10.48550/arxiv.1103.4440 · pith_short_12: APZQ4WHODT52 · pith_short_16: APZQ4WHODT523YQT · pith_short_8: APZQ4WHO

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/APZQ4WHODT523YQT3JYSVJXFTX \
  | 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: 03f30e58ee1cfbade213da712aa6e59df5858745698856d6fbaf3170db99bcd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed08bb0add33dd30f551ea89b393815dc79ad3299f85513aa9806388e188b03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-03-23T05:50:37Z",
    "title_canon_sha256": "67f0892302ff097c11bb3e5b2c53d678db90f39635fb538349b27237a0c51b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4440",
    "kind": "arxiv",
    "version": 1
  }
}