Pith Number

pith:FGBPHV2N

pith:2022:FGBPHV2NLSLLC6TWPCWKVIWGHV

not attested not anchored not stored refs pending

A journey through the mathematical world of Karen Uhlenbeck

Simon Donaldson

arxiv:2205.08970 v1 · 2022-05-18 · 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{FGBPHV2NLSLLC6TWPCWKVIWGHV}

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	2026-07-05T04:24:31.491238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2982f3d74d5c96b17a7678acaaa2c63d40e819680959916778bd533559650b3b

Aliases

arxiv: 2205.08970 · arxiv_version: 2205.08970v1 · doi: 10.48550/arxiv.2205.08970 · pith_short_12: FGBPHV2NLSLL · pith_short_16: FGBPHV2NLSLLC6TW · pith_short_8: FGBPHV2N

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/FGBPHV2NLSLLC6TWPCWKVIWGHV \
  | 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: 2982f3d74d5c96b17a7678acaaa2c63d40e819680959916778bd533559650b3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ff8872f77a7c2d3416902735dc29dbe739bcb667660cd84c1093bbcdedbe2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2022-05-18T14:52:26Z",
    "title_canon_sha256": "22f03bb242985dcee70b4947e00c93893d2f2f0df5cda43f8f215c8e7436befe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.08970",
    "kind": "arxiv",
    "version": 1
  }
}