Pith Number

pith:M7KSHMZL

pith:2011:M7KSHMZLVHTJV46KCVMXR6YGWA

not attested not anchored not stored refs pending

Nonlinear softening as a predictive precursor to climate tipping

Jan Sieber, J. Michael T. Thompson

arxiv:1103.3064 v3 · 2011-03-15 · math.DS · nlin.CD · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7KSHMZLVHTJV46KCVMXR6YGWA}

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	2026-05-18T01:35:37.312729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67d523b32ba9e69af3ca155978fb06b00a52aac961fba82104a59b61d4947d60

Aliases

arxiv: 1103.3064 · arxiv_version: 1103.3064v3 · doi: 10.48550/arxiv.1103.3064 · pith_short_12: M7KSHMZLVHTJ · pith_short_16: M7KSHMZLVHTJV46K · pith_short_8: M7KSHMZL

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/M7KSHMZLVHTJV46KCVMXR6YGWA \
  | 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: 67d523b32ba9e69af3ca155978fb06b00a52aac961fba82104a59b61d4947d60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeb3adf2ccc73cf0fc222227c25b537f3f7614fdaa84d0e834873a6462665747",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-03-15T23:21:18Z",
    "title_canon_sha256": "84f1471d725f1af4b331e5b3c550948f484f168c1197f451d0909c520b3ee11d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3064",
    "kind": "arxiv",
    "version": 3
  }
}