Pith Number

pith:XDQJFR4X

pith:2013:XDQJFR4XZJXTNNBUY2IGSTXP7N

not attested not anchored not stored refs pending

Cellular resolutions from mapping cones

Anton Dochtermann, Fatemeh Mohammadi

arxiv:1311.4599 v1 · 2013-11-19 · math.AC · 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{XDQJFR4XZJXTNNBUY2IGSTXP7N}

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	2026-05-18T01:30:43.450354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e092c797ca6f36b434c690694eeffb6d237ab8c4f2b575be50ed2eca2ce754

Aliases

arxiv: 1311.4599 · arxiv_version: 1311.4599v1 · doi: 10.48550/arxiv.1311.4599 · pith_short_12: XDQJFR4XZJXT · pith_short_16: XDQJFR4XZJXTNNBU · pith_short_8: XDQJFR4X

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/XDQJFR4XZJXTNNBUY2IGSTXP7N \
  | 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: b8e092c797ca6f36b434c690694eeffb6d237ab8c4f2b575be50ed2eca2ce754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d5d37d0bc14ec980bb9a325f818a2c9e3e471a75bb31207d9041a6df5ae85f2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-11-19T00:47:40Z",
    "title_canon_sha256": "a2b4ef76203c1c98f2b5ca6ea0409ecebfd7191993e722c37d5ad08e902aaf5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4599",
    "kind": "arxiv",
    "version": 1
  }
}