Pith Number

pith:RZCTJ5M5

pith:2024:RZCTJ5M53XLBBFZYCYMB4NR7WV

not attested not anchored not stored refs pending

Riemannian gradient descent for spherical area-preserving mappings

Marco Sutti, Mei-Heng Yueh

arxiv:2403.11726 v1 · 2024-03-18 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZCTJ5M53XLBBFZYCYMB4NR7WV}

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	2026-06-01T01:03:38.390194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4534f59dddd610973816181e363fb55a5e88e03d973ca7db891a7f0848fa43

Aliases

arxiv: 2403.11726 · arxiv_version: 2403.11726v1 · doi: 10.48550/arxiv.2403.11726 · pith_short_12: RZCTJ5M53XLB · pith_short_16: RZCTJ5M53XLBBFZY · pith_short_8: RZCTJ5M5

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/RZCTJ5M53XLBBFZYCYMB4NR7WV \
  | 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: 8e4534f59dddd610973816181e363fb55a5e88e03d973ca7db891a7f0848fa43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f073d634edc6bfd019718d4dfb0f5f4ef4c74aca1e4020f2f2d8a5a1c7cabcb2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-03-18T12:36:50Z",
    "title_canon_sha256": "de7e53201fed8a8369ec6b2f186c1b7fb2e141668e0935298cb3447cf9ae7e0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.11726",
    "kind": "arxiv",
    "version": 1
  }
}