Pith Number

pith:P2TJPO2F

pith:2019:P2TJPO2FE63P3PRG3UYBMUCEPV

not attested not anchored not stored refs pending

Excitable wave patterns in temporal systems with two long delays

Francesco Marino, Giovanni Giacomelli

arxiv:1901.04383 v1 · 2019-01-14 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2TJPO2FE63P3PRG3UYBMUCEPV}

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	2026-05-17T23:46:47.595212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea697bb4527b6fdbe26dd301650447d6b44a1c8d3daebc81e985225da3cc58d

Aliases

arxiv: 1901.04383 · arxiv_version: 1901.04383v1 · doi: 10.48550/arxiv.1901.04383 · pith_short_12: P2TJPO2FE63P · pith_short_16: P2TJPO2FE63P3PRG · pith_short_8: P2TJPO2F

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/P2TJPO2FE63P3PRG3UYBMUCEPV \
  | 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: 7ea697bb4527b6fdbe26dd301650447d6b44a1c8d3daebc81e985225da3cc58d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe440d34937f31020b6a11af632ff80b547877e0a62491c7472efca85e799272",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2019-01-14T16:28:06Z",
    "title_canon_sha256": "d61eca288da27432b3756004e8d48dc32112aab913a3f6acdd58280df717fa10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04383",
    "kind": "arxiv",
    "version": 1
  }
}