Pith Number

pith:O5LCDFRA

pith:2018:O5LCDFRA4BXP3HCQURREIGWAON

not attested not anchored not stored refs pending

Stages of dynamics in the Fermi-Pasta-Ulam system as probed by the first Toda integral

C. Efthymiopoulos, H. Christodoulidi

arxiv:1812.01924 v1 · 2018-12-05 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5LCDFRA4BXP3HCQURREIGWAON}

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	2026-05-17T23:59:00.235247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7756219620e06efd9c50a462441ac073654fb35c9fc41875ad8d06eca897eb77

Aliases

arxiv: 1812.01924 · arxiv_version: 1812.01924v1 · doi: 10.48550/arxiv.1812.01924 · pith_short_12: O5LCDFRA4BXP · pith_short_16: O5LCDFRA4BXP3HCQ · pith_short_8: O5LCDFRA

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/O5LCDFRA4BXP3HCQURREIGWAON \
  | 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: 7756219620e06efd9c50a462441ac073654fb35c9fc41875ad8d06eca897eb77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bbc03a88ef15e921cfaa50c728bd657fef7d068563de3f574b0006285616e23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2018-12-05T11:28:23Z",
    "title_canon_sha256": "e8217ce4bcf81259b829559a3698cfa231e2a440be5f1a337ef3bec0fb496d3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01924",
    "kind": "arxiv",
    "version": 1
  }
}