Pith Number

pith:XGV5ICUT

pith:2008:XGV5ICUT3VEKUM3KKGMGKIMRWM

not attested not anchored not stored refs pending

Eventually Expanding Maps

Pawel Gora, Peyman Eslami

arxiv:0807.4715 v2 · 2008-07-29 · 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{XGV5ICUT3VEKUM3KKGMGKIMRWM}

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	2026-05-18T04:15:19.076013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9abd40a93dd48aa336a5198652191b322d9436df78eac462762dcf74117a0b1

Aliases

arxiv: 0807.4715 · arxiv_version: 0807.4715v2 · doi: 10.48550/arxiv.0807.4715 · pith_short_12: XGV5ICUT3VEK · pith_short_16: XGV5ICUT3VEKUM3K · pith_short_8: XGV5ICUT

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/XGV5ICUT3VEKUM3KKGMGKIMRWM \
  | 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: b9abd40a93dd48aa336a5198652191b322d9436df78eac462762dcf74117a0b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4623bcf20babff724fec1ab03304b9561f2398a801f3bcef81f500ee650b2190",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2008-07-29T17:43:59Z",
    "title_canon_sha256": "5c9c75409bda2b1649f48e75b25adc57dd91365a0477039666ccd25241e95fab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4715",
    "kind": "arxiv",
    "version": 2
  }
}