Pith Number

pith:EK4JNNEN

pith:2018:EK4JNNENWDUUI5MS646CS2QXG7

not attested not anchored not stored refs pending

Reliable and Practical Computational Prediction of Molecular Crystal Polymorphs

Alexandre Tkatchenko, Hsin-Yu Ko, Johannes Hoja, Marcus A. Neumann, Robert A. DiStasio Jr., Roberto Car

arxiv:1803.07503 v1 · 2018-03-20 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EK4JNNENWDUUI5MS646CS2QXG7}

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	2026-05-17T23:56:25.140784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b896b48db0e9447592f73c296a1737cf7e5a53deaa9549924a9c181d5f20a5

Aliases

arxiv: 1803.07503 · arxiv_version: 1803.07503v1 · doi: 10.48550/arxiv.1803.07503 · pith_short_12: EK4JNNENWDUU · pith_short_16: EK4JNNENWDUUI5MS · pith_short_8: EK4JNNEN

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/EK4JNNENWDUUI5MS646CS2QXG7 \
  | 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: 22b896b48db0e9447592f73c296a1737cf7e5a53deaa9549924a9c181d5f20a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8b22d30f9c26ecd91ccf1275b2e79df30aed2375a6391f67219f804d3cf281",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-03-20T16:06:50Z",
    "title_canon_sha256": "e4444f5a00f3e3f75addbb568fe1dd43a6ff8ad3cc9fba1303b6812f58cbe916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07503",
    "kind": "arxiv",
    "version": 1
  }
}