Pith Number

pith:L7GFUIVC

pith:2025:L7GFUIVC3TSFYU2XXQCOLXSFZI

not attested not anchored not stored refs pending

Discrete signature tensors for persistence landscapes

Daniel Tolosa, Heather A. Harrington, Vincenzo Galgano

arxiv:2505.02800 v3 · 2025-05-05 · math.AT · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7GFUIVC3TSFYU2XXQCOLXSFZI}

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	2026-06-01T01:03:43.140112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fcc5a22a2dce45c5357bc04e5de45ca0f3393fc75162f27f223d5528deed67c

Aliases

arxiv: 2505.02800 · arxiv_version: 2505.02800v3 · doi: 10.48550/arxiv.2505.02800 · pith_short_12: L7GFUIVC3TSF · pith_short_16: L7GFUIVC3TSFYU2X · pith_short_8: L7GFUIVC

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/L7GFUIVC3TSFYU2XXQCOLXSFZI \
  | 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: 5fcc5a22a2dce45c5357bc04e5de45ca0f3393fc75162f27f223d5528deed67c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faebcba4fbfff02d782f3aa05852fd4d0e435dd0f946287161db1f847f2473ee",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2025-05-05T17:21:41Z",
    "title_canon_sha256": "afbe0462cd7917ef4f2b684af370305f7acfe725365b1003bb7a02ddc6cf5480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02800",
    "kind": "arxiv",
    "version": 3
  }
}