Pith Number

pith:HQ2CYY3S

pith:2025:HQ2CYY3S533BGCXIHX4CR7C7U2

not attested not anchored not stored refs pending

On two notions of curvature on singular surfaces

Maxime Marot

arxiv:2511.08138 v3 · 2025-11-11 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQ2CYY3S533BGCXIHX4CR7C7U2}

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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

Analysis on surfaces with locally bounded integral curvature

Receipt and verification

First computed	2026-07-15T01:20:49.556303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c342c6372eef6130ae83df828fc5fa699da6773504f04beaf9d88341f1fbda3

Aliases

arxiv: 2511.08138 · arxiv_version: 2511.08138v3 · doi: 10.48550/arxiv.2511.08138 · pith_short_12: HQ2CYY3S533B · pith_short_16: HQ2CYY3S533BGCXI · pith_short_8: HQ2CYY3S

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/HQ2CYY3S533BGCXIHX4CR7C7U2 \
  | 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: 3c342c6372eef6130ae83df828fc5fa699da6773504f04beaf9d88341f1fbda3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa9b27b0e2245b0e694fe4ba861c14cf804795bc539a1485ab778ace246e7997",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-11-11T11:48:16Z",
    "title_canon_sha256": "7bba844c76d0f472c95f815fae4e356a37c8c894e9c8dbcf1b8aad40bb039948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.08138",
    "kind": "arxiv",
    "version": 3
  }
}