Pith Number

pith:4MO6YSKM

pith:2017:4MO6YSKMOWWJNDRXS6SAI2M3ZB

not attested not anchored not stored refs pending

Polynomial quadratic differentials on the complex plane and light-like polygons in the Einstein Universe

Andrea Tamburelli

arxiv:1712.03767 v3 · 2017-12-11 · math.DG · math.CV · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MO6YSKMOWWJNDRXS6SAI2M3ZB}

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	2026-05-17T23:43:07.206565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e31dec494c75ac968e3797a404699bc854a271a6851a4875dec899163a0eca3b

Aliases

arxiv: 1712.03767 · arxiv_version: 1712.03767v3 · doi: 10.48550/arxiv.1712.03767 · pith_short_12: 4MO6YSKMOWWJ · pith_short_16: 4MO6YSKMOWWJNDRX · pith_short_8: 4MO6YSKM

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/4MO6YSKMOWWJNDRXS6SAI2M3ZB \
  | 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: e31dec494c75ac968e3797a404699bc854a271a6851a4875dec899163a0eca3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f31c213193c5b56c2a550c724d2f99b75b4e51e75c9fcc538a9a15a37a6e7d2c",
    "cross_cats_sorted": [
      "math.CV",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-12-11T13:42:25Z",
    "title_canon_sha256": "ce08f20b213381f91d5e8be925917ed9d0d73fe04d4ec6a4e44ff5228ec3dade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03767",
    "kind": "arxiv",
    "version": 3
  }
}