Pith Number

pith:Q6GLZKHB

pith:2017:Q6GLZKHBKW26E7A7XYH7R52UYF

not attested not anchored not stored refs pending

Multi-Layer Free Energy Perturbation

Frank Otto, Ying-Chih Chiang

arxiv:1701.08490 v1 · 2017-01-30 · physics.chem-ph · physics.bio-ph · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6GLZKHBKW26E7A7XYH7R52UYF}

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	2026-05-18T00:51:53.940119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

878cbca8e155b5e27c1fbe0ff8f754c149d559c8c9573931db82a5c0c9bc8f97

Aliases

arxiv: 1701.08490 · arxiv_version: 1701.08490v1 · doi: 10.48550/arxiv.1701.08490 · pith_short_12: Q6GLZKHBKW26 · pith_short_16: Q6GLZKHBKW26E7A7 · pith_short_8: Q6GLZKHB

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/Q6GLZKHBKW26E7A7XYH7R52UYF \
  | 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: 878cbca8e155b5e27c1fbe0ff8f754c149d559c8c9573931db82a5c0c9bc8f97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c59dce93f75b7f80e8f417d24d494c56dd435a7932c83200172de9c9d29904e",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2017-01-30T06:04:13Z",
    "title_canon_sha256": "e683c7916a8a1e43bbc7eba18f0315265389c719726f192c44364dedb3d31497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08490",
    "kind": "arxiv",
    "version": 1
  }
}