Pith Number

pith:GIJOF57G

pith:2019:GIJOF57G2OOJU6QGW4V57ZE4GA

not attested not anchored not stored refs pending

A symmetry property for elliptic equations on the sphere

Phillipo Lappicy

arxiv:1901.05838 v1 · 2019-01-17 · math.DS · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GIJOF57G2OOJU6QGW4V57ZE4GA}

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	2026-05-17T23:55:50.487749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3212e2f7e6d39c9a7a06b72bdfe49c300bf108eb2944fccc8dd83cf9b77551f7

Aliases

arxiv: 1901.05838 · arxiv_version: 1901.05838v1 · doi: 10.48550/arxiv.1901.05838 · pith_short_12: GIJOF57G2OOJ · pith_short_16: GIJOF57G2OOJU6QG · pith_short_8: GIJOF57G

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/GIJOF57G2OOJU6QGW4V57ZE4GA \
  | 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: 3212e2f7e6d39c9a7a06b72bdfe49c300bf108eb2944fccc8dd83cf9b77551f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9faf5ee6f7b6a11a6bdc9bc506d96b14418b0406a9224bb28b101c62977c8a54",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-01-17T15:25:54Z",
    "title_canon_sha256": "873bfaef139c68efb57bbbd354acbd0e44e4a421dd04ec43f85733854741eee0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05838",
    "kind": "arxiv",
    "version": 1
  }
}