Pith Number

pith:GSNAJD4W

pith:2010:GSNAJD4WJYTWZIRIIRBSUBLZPV

not attested not anchored not stored refs pending

The work of Tom Farrell and Lowell Jones in topology and geometry

James F. Davis

arxiv:1006.1489 v2 · 2010-06-08 · math.GT · math.AT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSNAJD4WJYTWZIRIIRBSUBLZPV}

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	2026-05-18T04:42:33.535519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

349a048f964e276ca22844432a05797d5e9b3ddfff21cd384ab7bd0de76ec517

Aliases

arxiv: 1006.1489 · arxiv_version: 1006.1489v2 · doi: 10.48550/arxiv.1006.1489 · pith_short_12: GSNAJD4WJYTW · pith_short_16: GSNAJD4WJYTWZIRI · pith_short_8: GSNAJD4W

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/GSNAJD4WJYTWZIRIIRBSUBLZPV \
  | 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: 349a048f964e276ca22844432a05797d5e9b3ddfff21cd384ab7bd0de76ec517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d70dad2b38b738111f47b5fc29e92c7ad7a67722c311b53b2a4324a842867e",
    "cross_cats_sorted": [
      "math.AT",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-06-08T09:02:29Z",
    "title_canon_sha256": "949c382c62ffb346895044ab40ea1f0fdc2bc1af008d80336d8598fc153e697e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1489",
    "kind": "arxiv",
    "version": 2
  }
}