Pith Number

pith:KIAM55F3

pith:2003:KIAM55F3OLAJTL6ENKKY2ATDED

not attested not anchored not stored refs pending

Rational maps and string topology

Paolo Salvatore, Sadok Kallel

arxiv:math/0309137 v4 · 2003-09-07 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIAM55F3OLAJTL6ENKKY2ATDED}

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	2026-07-04T15:38:52.493730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5200cef4bb72c099afc46a958d026320c824129aa204df5c325bcf0585adce14

Aliases

arxiv: math/0309137 · arxiv_version: math/0309137v4 · doi: 10.48550/arxiv.math/0309137 · pith_short_12: KIAM55F3OLAJ · pith_short_16: KIAM55F3OLAJTL6E · pith_short_8: KIAM55F3

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/KIAM55F3OLAJTL6ENKKY2ATDED \
  | 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: 5200cef4bb72c099afc46a958d026320c824129aa204df5c325bcf0585adce14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fd8dd9f136d291cb3e782da75d8ba9780bbd5cbc7d6f90250c441941f60ca7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2003-09-07T22:48:03Z",
    "title_canon_sha256": "2e8ecf04ecb691cd26ba16640043d55357b4b7f0305ddf34737fb8724b423061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309137",
    "kind": "arxiv",
    "version": 4
  }
}