Pith Number

pith:3TXYPLHN

pith:2019:3TXYPLHNLN7M53ERH2JVQV4DMJ

not attested not anchored not stored refs pending

Critical speeding up as an early warning signal of regime switching

James Watson, Mathew Titus, Zach Gelbaum

arxiv:1901.08084 v1 · 2019-01-23 · math.DS · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TXYPLHNLN7M53ERH2JVQV4DMJ}

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	2026-05-17T23:55:37.934241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcef87aced5b7eceec913e9358578362447cf622c77e8a5d2c011c0d93bdddde

Aliases

arxiv: 1901.08084 · arxiv_version: 1901.08084v1 · doi: 10.48550/arxiv.1901.08084 · pith_short_12: 3TXYPLHNLN7M · pith_short_16: 3TXYPLHNLN7M53ER · pith_short_8: 3TXYPLHN

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/3TXYPLHNLN7M53ERH2JVQV4DMJ \
  | 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: dcef87aced5b7eceec913e9358578362447cf622c77e8a5d2c011c0d93bdddde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ecf7e142b01d8932eba74e5b9a7c2b9b629664fc9b71f7977e749b12e70ba8f",
    "cross_cats_sorted": [
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-01-23T19:07:58Z",
    "title_canon_sha256": "f8e64dbf7c5017bd886deb4ceb6cde5710a10d9a11a59cef2ee0852ff6a58f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08084",
    "kind": "arxiv",
    "version": 1
  }
}