Pith Number

pith:IUA35BYN

pith:2025:IUA35BYNGU4GHA4F3IE2RIDGEZ

not attested not anchored not stored refs pending

Convexity on manifolds without focal points and applications

Aprameyan Parthasarathy, B Sivashankar (Indian Institute of Technology Madras, India)

arxiv:2503.22185 v3 · 2025-03-28 · math.DG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUA35BYNGU4GHA4F3IE2RIDGEZ}

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	2026-05-20T00:04:08.297618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4501be870d3538638385da09a8a0662643aef2166b873cdd86601282ac8e684f

Aliases

arxiv: 2503.22185 · arxiv_version: 2503.22185v3 · doi: 10.48550/arxiv.2503.22185 · pith_short_12: IUA35BYNGU4G · pith_short_16: IUA35BYNGU4GHA4F · pith_short_8: IUA35BYN

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/IUA35BYNGU4GHA4F3IE2RIDGEZ \
  | 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: 4501be870d3538638385da09a8a0662643aef2166b873cdd86601282ac8e684f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a3d9d7e68c0585bf7fa32fd35804edbaa93b2056d0f2f9a582e7c54740681b6",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-03-28T07:04:30Z",
    "title_canon_sha256": "6869dd3fa44a47f0a9dc4e3ab9d209e3825eea4a6000db5e26c0a11757c65c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22185",
    "kind": "arxiv",
    "version": 3
  }
}