Pith Number

pith:KXTPWFZP

pith:2019:KXTPWFZPYOAQVZMFKO67BRKNHR

not attested not anchored not stored refs pending

A Forecasting System of Computational Time of DFT/TDDFT Calculations under the Multiverse ansatz via Machine Learning and Cheminformatics

Baohua Zhang, Shuo Ma, Yingjin Ma, Yingqi Tian, Zhong Jin

arxiv:1911.05569 v3 · 2019-11-13 · physics.comp-ph · 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{KXTPWFZPYOAQVZMFKO67BRKNHR}

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	2026-07-05T02:00:09.360228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55e6fb172fc3810ae58553bdf0c54d3c6681c7c7cc199124c8dfebe9e9084e6e

Aliases

arxiv: 1911.05569 · arxiv_version: 1911.05569v3 · doi: 10.48550/arxiv.1911.05569 · pith_short_12: KXTPWFZPYOAQ · pith_short_16: KXTPWFZPYOAQVZMF · pith_short_8: KXTPWFZP

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/KXTPWFZPYOAQVZMFKO67BRKNHR \
  | 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: 55e6fb172fc3810ae58553bdf0c54d3c6681c7c7cc199124c8dfebe9e9084e6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "708d65e3fa47c703d1fecaec2c3f27ac372f85782376544a21d4b08567abdd64",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-11-13T15:57:35Z",
    "title_canon_sha256": "7c05ea487faca168633053858da0d122adc201d4e5b9333beab83e430ef8019d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05569",
    "kind": "arxiv",
    "version": 3
  }
}