Pith Number

pith:DHXD6SPV

pith:2019:DHXD6SPVWWSVCX33XFZSBTLZMG

not attested not anchored not stored refs pending

A Model for Random Chain Complexes

Matthew J. Zabka, Michael J. Catanzaro

arxiv:1901.00964 v1 · 2019-01-04 · math.CO · math.AC · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHXD6SPVWWSVCX33XFZSBTLZMG}

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	2026-05-17T23:56:57.568541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19ee3f49f5b5a5515f7bb97320cd7961a09405b7c5ecdb71fa67370bbc15b6b2

Aliases

arxiv: 1901.00964 · arxiv_version: 1901.00964v1 · doi: 10.48550/arxiv.1901.00964 · pith_short_12: DHXD6SPVWWSV · pith_short_16: DHXD6SPVWWSVCX33 · pith_short_8: DHXD6SPV

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/DHXD6SPVWWSVCX33XFZSBTLZMG \
  | 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: 19ee3f49f5b5a5515f7bb97320cd7961a09405b7c5ecdb71fa67370bbc15b6b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84d28153527947c70cc6cb0e897a8631a56fa1f17c8367a51f9f025549fce4e",
    "cross_cats_sorted": [
      "math.AC",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-04T01:33:49Z",
    "title_canon_sha256": "c4cc3c92d1e7c6db4d597f4a94008a780f2b45b1f309f70cb80ce9b9da9aaa32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00964",
    "kind": "arxiv",
    "version": 1
  }
}