Pith Number

pith:4A2ECK5J

pith:2018:4A2ECK5JPYO6YHB6GQIBCCCIX6

not attested not anchored not stored refs pending

Freezing of the optical--branch energy in a diatomic FPU chain

Alberto Mario Maiocchi

arxiv:1808.09359 v2 · 2018-08-28 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4A2ECK5JPYO6YHB6GQIBCCCIX6}

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	2026-05-17T23:50:24.219872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e034412ba97e1dec1c3e3410110848bf8cd67297955cd4f02fb170a8753084d8

Aliases

arxiv: 1808.09359 · arxiv_version: 1808.09359v2 · doi: 10.48550/arxiv.1808.09359 · pith_short_12: 4A2ECK5JPYO6 · pith_short_16: 4A2ECK5JPYO6YHB6 · pith_short_8: 4A2ECK5J

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/4A2ECK5JPYO6YHB6GQIBCCCIX6 \
  | 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: e034412ba97e1dec1c3e3410110848bf8cd67297955cd4f02fb170a8753084d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f64b452592572e430a3b4c6f1e7f238d63142c4d03e15073d61fc348208a288",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-08-28T15:30:17Z",
    "title_canon_sha256": "a5a1882a4dc9892692e14c0efd3a374a4270d75ace554d4cb597808854ff1c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09359",
    "kind": "arxiv",
    "version": 2
  }
}