Pith Number

pith:ZV4EDCXA

pith:2019:ZV4EDCXAI2EAXMN4ORKTAUMATH

not attested not anchored not stored refs pending

Harmonic maps with prescribed singularities and applications in general relativity

Gilbert Weinstein

arxiv:1902.01576 v2 · 2019-02-05 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZV4EDCXAI2EAXMN4ORKTAUMATH}

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.

Cited by

1 paper in Pith

On the existence of toric ALE and ALF gravitational instantons

Receipt and verification

First computed	2026-05-17T23:54:31.316077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd78418ae046880bb1bc745530518099cffea8885001ff9c7fcca0e2f46e84ab

Aliases

arxiv: 1902.01576 · arxiv_version: 1902.01576v2 · doi: 10.48550/arxiv.1902.01576 · pith_short_12: ZV4EDCXAI2EA · pith_short_16: ZV4EDCXAI2EAXMN4 · pith_short_8: ZV4EDCXA

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/ZV4EDCXAI2EAXMN4ORKTAUMATH \
  | 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: cd78418ae046880bb1bc745530518099cffea8885001ff9c7fcca0e2f46e84ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f5635ca659b690c9d4c4b307533bf528cb892629dab392c47abe5e495a9ab38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-05T07:46:32Z",
    "title_canon_sha256": "8286efdc5c67d3969af4524cce3b528733f273eefb0d1ea1f221853e0024168c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01576",
    "kind": "arxiv",
    "version": 2
  }
}