Pith Number

pith:X66NABE7

pith:2018:X66NABE7XOCRHY5VW56XCAPJ2K

not attested not anchored not stored refs pending

The Diamine Cation Is Not a Chemical Example Where Density Functional Theory Fails

Bryan M. Wong, Fredy W. Aquino, Zulfikhar A. Ali

arxiv:1812.08876 v1 · 2018-12-20 · physics.chem-ph · cond-mat.mtrl-sci · physics.atm-clus

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X66NABE7XOCRHY5VW56XCAPJ2K}

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	2026-05-17T23:57:46.052204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfbcd0049fbb8513e3b5b77d7101e9d2b606c5264b186700845fe6d8b3aebe48

Aliases

arxiv: 1812.08876 · arxiv_version: 1812.08876v1 · doi: 10.48550/arxiv.1812.08876 · pith_short_12: X66NABE7XOCR · pith_short_16: X66NABE7XOCRHY5V · pith_short_8: X66NABE7

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/X66NABE7XOCRHY5VW56XCAPJ2K \
  | 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: bfbcd0049fbb8513e3b5b77d7101e9d2b606c5264b186700845fe6d8b3aebe48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b8882bfbbbd722f0e98bcf90b4b3ca3ec434ad3b2e682a63711d57f2eb4e9a",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.atm-clus"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-12-20T22:47:59Z",
    "title_canon_sha256": "bb8f94156acef91bf7ba4d91d36205b0f4b086bb6f5f95a33004e397598bb75c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08876",
    "kind": "arxiv",
    "version": 1
  }
}