Pith Number

pith:OHKVX43N

pith:2019:OHKVX43NJGIMB4TGVVGTVILUDF

not attested not anchored not stored refs pending

On the automorphism group of the Morse complex

Maxwell Lin, Nicholas A. Scoville

arxiv:1904.10907 v1 · 2019-04-24 · math.AT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHKVX43NJGIMB4TGVVGTVILUDF}

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	2026-05-17T23:47:49.743385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71d55bf36d4990c0f266ad4d3aa1741956aa37a37ef1e05f4894e9eb3b997827

Aliases

arxiv: 1904.10907 · arxiv_version: 1904.10907v1 · doi: 10.48550/arxiv.1904.10907 · pith_short_12: OHKVX43NJGIM · pith_short_16: OHKVX43NJGIMB4TG · pith_short_8: OHKVX43N

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/OHKVX43NJGIMB4TGVVGTVILUDF \
  | 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: 71d55bf36d4990c0f266ad4d3aa1741956aa37a37ef1e05f4894e9eb3b997827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c89ccaa94220ba462b936de123019edd7295e6b037d6038136450886f9194c89",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-04-24T16:29:06Z",
    "title_canon_sha256": "89e0608a35d9688a3007c4cfd34948531248da255d4a2d60af27a9f9dc5600df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10907",
    "kind": "arxiv",
    "version": 1
  }
}