Pith Number

pith:QGNFBVTD

pith:2015:QGNFBVTDRFXTO4OUOB2KNP7UIW

not attested not anchored not stored refs pending

Fast and accurate predictions of covalent bonds in chemical space

K. Y. Samuel Chang, O. Anatole von Lilienfeld, Raghunathan Ramakrishnan, Stijn Fias

arxiv:1509.02847 v2 · 2015-09-09 · 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{QGNFBVTDRFXTO4OUOB2KNP7UIW}

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	2026-05-18T01:14:03.421078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

819a50d663896f3771d47074a6bff445b59480ce6dfe0c9c747f9e4dea35f5ae

Aliases

arxiv: 1509.02847 · arxiv_version: 1509.02847v2 · doi: 10.48550/arxiv.1509.02847 · pith_short_12: QGNFBVTDRFXT · pith_short_16: QGNFBVTDRFXTO4OU · pith_short_8: QGNFBVTD

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/QGNFBVTDRFXTO4OUOB2KNP7UIW \
  | 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: 819a50d663896f3771d47074a6bff445b59480ce6dfe0c9c747f9e4dea35f5ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e8b9c5f9bfef066751fe7fb2fbf4459f1bccc574b540e458f546532f409364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-09-09T16:44:50Z",
    "title_canon_sha256": "99add8e2376581d85d7a4ed46ed9cc6af41c835e1939955a4ca58e43f825c786"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02847",
    "kind": "arxiv",
    "version": 2
  }
}