Pith Number

pith:GPIMMMDR

pith:2019:GPIMMMDREUXDKLDBRA43ZNRIKU

not attested not anchored not stored refs pending

Accurate quantum chemical free energies at affordable cost

GiovanniMaria Piccini, Michele Parrinello

arxiv:1904.02004 v1 · 2019-04-03 · 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{GPIMMMDREUXDKLDBRA43ZNRIKU}

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	2026-05-17T23:49:29.010960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33d0c63071252e352c618839bcb6285514ba310c901d58da297c10dd6dc104ef

Aliases

arxiv: 1904.02004 · arxiv_version: 1904.02004v1 · doi: 10.48550/arxiv.1904.02004 · pith_short_12: GPIMMMDREUXD · pith_short_16: GPIMMMDREUXDKLDB · pith_short_8: GPIMMMDR

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/GPIMMMDREUXDKLDBRA43ZNRIKU \
  | 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: 33d0c63071252e352c618839bcb6285514ba310c901d58da297c10dd6dc104ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba8b7aa8f295256660b6d47ad1a4f8d379e4227c508c71f7702145f317c5b926",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-04-03T13:49:34Z",
    "title_canon_sha256": "f2f7e9f5eea04e63a7bb576dc7f7220468f5dbb43db1fbc11cb6040dcca58cfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02004",
    "kind": "arxiv",
    "version": 1
  }
}