Pith Number

pith:2XHA3SPA

pith:2026:2XHA3SPATMMD6Q34OOCREQ75MF

not attested not anchored not stored refs pending

A Force-Kernel Reformulation of the Extended-System Adaptive Biasing Force for Free-Energy Calculations

Aditya Sonpal, Alyson Shoji, Christophe Chipot, Christopher Kang, Jim Pfaendtner, Rahul Verma

arxiv:2605.21720 v1 · 2026-05-20 · physics.chem-ph · physics.comp-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{2XHA3SPATMMD6Q34OOCREQ75MF}

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	2026-05-22T01:03:29.274390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5ce0dc9e09b183f437c73851243fd616d2d037a862f6337df182cff35955c15

Aliases

arxiv: 2605.21720 · arxiv_version: 2605.21720v1 · doi: 10.48550/arxiv.2605.21720 · pith_short_12: 2XHA3SPATMMD · pith_short_16: 2XHA3SPATMMD6Q34 · pith_short_8: 2XHA3SPA

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/2XHA3SPATMMD6Q34OOCREQ75MF \
  | 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: d5ce0dc9e09b183f437c73851243fd616d2d037a862f6337df182cff35955c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "016159ea4b083ccf915cfa06340893aa703b1b79ed86cae05b4245650c718b1c",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-05-20T20:26:34Z",
    "title_canon_sha256": "d81def6bb2fb9a6e6b4c6c1763f05abf14850177b724e171f447b668de9cc311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21720",
    "kind": "arxiv",
    "version": 1
  }
}