Pith Number

pith:SW5MM6ZH

pith:2018:SW5MM6ZHU4R3QN6ZSKTEL36ZDP

not attested not anchored not stored refs pending

On polar actions invariant solutions of semilinear equations on manifolds

Edward Becerra, Juan Galvis, Nicolas Martinez Alba

arxiv:1802.08625 v2 · 2018-02-23 · math.DG · 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{SW5MM6ZHU4R3QN6ZSKTEL36ZDP}

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	2026-05-18T00:21:45.535456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95bac67b27a723b837d992a645efd91be3f440454607b1afb9df356c1351a8f6

Aliases

arxiv: 1802.08625 · arxiv_version: 1802.08625v2 · doi: 10.48550/arxiv.1802.08625 · pith_short_12: SW5MM6ZHU4R3 · pith_short_16: SW5MM6ZHU4R3QN6Z · pith_short_8: SW5MM6ZH

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/SW5MM6ZHU4R3QN6ZSKTEL36ZDP \
  | 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: 95bac67b27a723b837d992a645efd91be3f440454607b1afb9df356c1351a8f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "098f1ed455b205d146616a9eebb51a8201334c2dd754d212af0340bebf64ea93",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-02-23T16:31:00Z",
    "title_canon_sha256": "da291c46754279cc6913d7b95a63c2c31e020988416d6a72300df439020239d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08625",
    "kind": "arxiv",
    "version": 2
  }
}