Pith Number

pith:SQPHS5AT

pith:2018:SQPHS5ATNKCMXURD7Z3I5TVG44

not attested not anchored not stored refs pending

Formalizing Atom-typing and the Dissemination of Force Fields with Foyer

Andrew Z. Summers, Christopher R. Iacovella, Christoph Klein, Clare McCabe, Janos Sallai, Justin Gilmer, Matthew W. Thompson, Peter T. Cummings

arxiv:1812.06779 v1 · 2018-12-07 · physics.comp-ph · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQPHS5ATNKCMXURD7Z3I5TVG44}

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	2026-05-17T23:58:09.361758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941e7974136a84cbd223fe768ecea6e736c743b09afa965d16d1423be4d9b8f9

Aliases

arxiv: 1812.06779 · arxiv_version: 1812.06779v1 · doi: 10.48550/arxiv.1812.06779 · pith_short_12: SQPHS5ATNKCM · pith_short_16: SQPHS5ATNKCMXURD · pith_short_8: SQPHS5AT

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/SQPHS5ATNKCMXURD7Z3I5TVG44 \
  | 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: 941e7974136a84cbd223fe768ecea6e736c743b09afa965d16d1423be4d9b8f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03be73d2eec9137157fdeb9d5317bdf0c0ce8ebce886cab914203d3242d760d2",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-12-07T22:00:32Z",
    "title_canon_sha256": "e6108d19e4fa21f5d6fb16ffff5527912210e7bc7cc37ee32ccfca127ca9efd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06779",
    "kind": "arxiv",
    "version": 1
  }
}