Pith Number

pith:55MN3HIU

pith:2025:55MN3HIUS6QSSV5L4753MVYNYU

not attested not anchored not stored refs pending

Topology across Scales on Heterogeneous Cell Data

Heather A. Harrington, Helen M. Byrne, Iris H.R. Yoon, Ling-Pei Ho, Maria Torras-P\'erez, Praveen Weeratunga, Ulrike Tillmann

arxiv:2505.02717 v1 · 2025-05-05 · q-bio.QM · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55MN3HIUS6QSSV5L4753MVYNYU}

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	2026-07-05T10:58:41.893584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef58dd9d1497a12957abe7fbb6570dc50887124c6042ff379347783a1713f3d0

Aliases

arxiv: 2505.02717 · arxiv_version: 2505.02717v1 · doi: 10.48550/arxiv.2505.02717 · pith_short_12: 55MN3HIUS6QS · pith_short_16: 55MN3HIUS6QSSV5L · pith_short_8: 55MN3HIU

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/55MN3HIUS6QSSV5L4753MVYNYU \
  | 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: ef58dd9d1497a12957abe7fbb6570dc50887124c6042ff379347783a1713f3d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0980b284665d55eaab9b2237ded585b2b1849a57130bae7e4ed8b18102152a52",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2025-05-05T15:16:30Z",
    "title_canon_sha256": "e1d357a34fd84cb8da101612961f3a15aa80419031e77b89222fe94e9646a0c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02717",
    "kind": "arxiv",
    "version": 1
  }
}