Pith Number

pith:DELHDKIE

pith:2018:DELHDKIEK3LLRVEXVDFTUFWKPX

not attested not anchored not stored refs pending

Characters for Complex Bundles and their Connections

Dennis Sullivan, James Simons

arxiv:1803.07129 v1 · 2018-03-19 · math.KT · math.AT · math.DG · math.FA · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DELHDKIEK3LLRVEXVDFTUFWKPX}

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	2026-05-18T00:20:34.183631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

191671a90456d6b8d497a8cb3a16ca7def87829ee316ed76ac79fb7e551b218e

Aliases

arxiv: 1803.07129 · arxiv_version: 1803.07129v1 · doi: 10.48550/arxiv.1803.07129 · pith_short_12: DELHDKIEK3LL · pith_short_16: DELHDKIEK3LLRVEX · pith_short_8: DELHDKIE

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/DELHDKIEK3LLRVEXVDFTUFWKPX \
  | 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: 191671a90456d6b8d497a8cb3a16ca7def87829ee316ed76ac79fb7e551b218e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecbef309953e6e949933d6297b524c2687807a6deec83243da3f3f0d93193172",
    "cross_cats_sorted": [
      "math.AT",
      "math.DG",
      "math.FA",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2018-03-19T19:22:23Z",
    "title_canon_sha256": "1aa9054777c15d98709b7942a0a946a9dd30ad83a07952f9d03e0e20dbf710ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07129",
    "kind": "arxiv",
    "version": 1
  }
}