Pith Number

pith:MK2EIWEK

pith:2024:MK2EIWEK5NBYPB7RRYABT4LXMB

not attested not anchored not stored refs pending

A Novel Use of Pseudospectra in Mathematical Biology: Understanding HPA Axis Sensitivity

Catherine Drysdale, Matthew J. Colbrook

arxiv:2408.00845 v2 · 2024-08-01 · math.SP · cs.LG · cs.NA · math.NA · q-bio.QM · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MK2EIWEK5NBYPB7RRYABT4LXMB}

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	2026-07-05T09:42:28.582842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62b444588aeb438787f18e0019f177606c7b170ecc5f40971f1be400f393fdb4

Aliases

arxiv: 2408.00845 · arxiv_version: 2408.00845v2 · doi: 10.48550/arxiv.2408.00845 · pith_short_12: MK2EIWEK5NBY · pith_short_16: MK2EIWEK5NBYPB7R · pith_short_8: MK2EIWEK

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/MK2EIWEK5NBYPB7RRYABT4LXMB \
  | 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: 62b444588aeb438787f18e0019f177606c7b170ecc5f40971f1be400f393fdb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ca1baa6a1d28c14490a1a8730a886ff40b174334b995065a84f81d6a6d7bd4",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "q-bio.QM",
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2024-08-01T18:01:14Z",
    "title_canon_sha256": "5b74cc987529af45658daafaf8a2fd46b8b0c868c9905999f4d7c5fe6d10de3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.00845",
    "kind": "arxiv",
    "version": 2
  }
}