Pith Number

pith:UGKE6GZH

pith:2013:UGKE6GZHTISH3T75URTHWCGTOB

not attested not anchored not stored refs pending

A novel method for calculating relative free energy of similar molecules in two environments

Asaf Farhi, Bipin Singh

arxiv:1310.2112 v18 · 2013-10-08 · 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{UGKE6GZHTISH3T75URTHWCGTOB}

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	2026-05-18T01:03:53.667293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1944f1b279a247dcffda4667b08d370403656f39c83cd6967b0571f8e11a3ba

Aliases

arxiv: 1310.2112 · arxiv_version: 1310.2112v18 · doi: 10.48550/arxiv.1310.2112 · pith_short_12: UGKE6GZHTISH · pith_short_16: UGKE6GZHTISH3T75 · pith_short_8: UGKE6GZH

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/UGKE6GZHTISH3T75URTHWCGTOB \
  | 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: a1944f1b279a247dcffda4667b08d370403656f39c83cd6967b0571f8e11a3ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79afc046a2343db4e907b20ee43151e91602c73c808aac2163846e5617ffaaa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-10-08T12:36:01Z",
    "title_canon_sha256": "bfcf514c91e32bd2e9e3e6bef5c82999a91ebb61867514a32296c86e39b14b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2112",
    "kind": "arxiv",
    "version": 18
  }
}