Pith Number

pith:CIZNU7TI

pith:2014:CIZNU7TIAFSGMOZQLBMAKVXIQE

not attested not anchored not stored refs pending

On the fixed points of a Hamiltonian diffeomorphism in presence of fundamental group

Andrei Pajitnov, Kaoru Ono

arxiv:1405.2505 v2 · 2014-05-11 · math.SG · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIZNU7TIAFSGMOZQLBMAKVXIQE}

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	2026-05-18T01:10:43.239637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1232da7e680164663b3058580556e88121d23416e24ee17bdbb742341c86427e

Aliases

arxiv: 1405.2505 · arxiv_version: 1405.2505v2 · doi: 10.48550/arxiv.1405.2505 · pith_short_12: CIZNU7TIAFSG · pith_short_16: CIZNU7TIAFSGMOZQ · pith_short_8: CIZNU7TI

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/CIZNU7TIAFSGMOZQLBMAKVXIQE \
  | 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: 1232da7e680164663b3058580556e88121d23416e24ee17bdbb742341c86427e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90cc1e536c3a03d8c082518aa5ce486aa9f6047e80009a1dd3907128e19e14b8",
    "cross_cats_sorted": [
      "math.DG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-05-11T07:37:26Z",
    "title_canon_sha256": "7c4e89ba42624340c5048f2a7941526e1391ac742e06d4789270bd51388d7832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2505",
    "kind": "arxiv",
    "version": 2
  }
}