Pith Number

pith:C3R2BW44

pith:2012:C3R2BW44HYAQXLWGIPWS4Q3ORE

not attested not anchored not stored refs pending

Dynamics of Discontinuous Maps Via Closed Relations

Ethan Akin

arxiv:1209.4341 v1 · 2012-09-19 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3R2BW44HYAQXLWGIPWS4Q3ORE}

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	2026-05-18T03:45:12.840365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16e3a0db9c3e010baec643ed2e436e8925023a7796874e057ee50ff5949fa397

Aliases

arxiv: 1209.4341 · arxiv_version: 1209.4341v1 · doi: 10.48550/arxiv.1209.4341 · pith_short_12: C3R2BW44HYAQ · pith_short_16: C3R2BW44HYAQXLWG · pith_short_8: C3R2BW44

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/C3R2BW44HYAQXLWGIPWS4Q3ORE \
  | 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: 16e3a0db9c3e010baec643ed2e436e8925023a7796874e057ee50ff5949fa397

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb267496d19277b1648daafdf02bb75d83c3d158306fce5f17e9c89b50550f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-09-19T19:35:24Z",
    "title_canon_sha256": "4cae91420714ec97434638a46acd879badcc70cdf557e2eb6bc26847394fe262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4341",
    "kind": "arxiv",
    "version": 1
  }
}