Pith Number

pith:QNUQMYMZ

pith:2026:QNUQMYMZ73JA3IQBKHL3YPSN5B

not attested not anchored not stored refs pending

PFT: Phonon Fine-tuning for Machine Learned Interatomic Potentials

Abhijeet Gangan, Jaime Marian, Mit Kotak, Teddy Koker, Tess Smidt

arxiv:2601.07742 v4 · 2026-01-12 · cond-mat.mtrl-sci · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNUQMYMZ73JA3IQBKHL3YPSN5B}

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	2026-06-02T01:03:40.724868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8369066199fed20da20151d7bc3e4de85d1a86bd64accf1e225989a71fa3475b

Aliases

arxiv: 2601.07742 · arxiv_version: 2601.07742v4 · doi: 10.48550/arxiv.2601.07742 · pith_short_12: QNUQMYMZ73JA · pith_short_16: QNUQMYMZ73JA3IQB · pith_short_8: QNUQMYMZ

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/QNUQMYMZ73JA3IQBKHL3YPSN5B \
  | 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: 8369066199fed20da20151d7bc3e4de85d1a86bd64accf1e225989a71fa3475b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cee4f80ee905917edb17b330f5da240f1f1cd9d67acfb1bbcad64c0bbec746b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2026-01-12T17:20:09Z",
    "title_canon_sha256": "eff1d14e180c6840d1ee15366c36a83fa2499cf1ec52704100d035867a3229c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.07742",
    "kind": "arxiv",
    "version": 4
  }
}