Pith Number

pith:MZJX4BPP

pith:1998:MZJX4BPPKMMIWDVNKKPOTXJA4E

not attested not anchored not stored refs pending

Combinatorics of Topological Posets:\ Homotopy complementation formulas

Rade T. \v{Z}ivaljevi\'c

arxiv:math/9801147 v1 · 1998-01-19 · 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{MZJX4BPPKMMIWDVNKKPOTXJA4E}

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	2026-05-18T01:09:15.204103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66537e05ef53188b0ead529ee9dd20e13793887db48cdb52edbbb4de3c5f132d

Aliases

arxiv: math/9801147 · arxiv_version: math/9801147v1 · doi: 10.48550/arxiv.math/9801147 · pith_short_12: MZJX4BPPKMMI · pith_short_16: MZJX4BPPKMMIWDVN · pith_short_8: MZJX4BPP

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/MZJX4BPPKMMIWDVNKKPOTXJA4E \
  | 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: 66537e05ef53188b0ead529ee9dd20e13793887db48cdb52edbbb4de3c5f132d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ba37e5297415152b93ca9d24569aa6ced3a5a36753baad855c6cd5f80fa77b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1998-01-19T00:00:00Z",
    "title_canon_sha256": "8ba533cea4c62d60f90c38e2ee01dbfb1ebcf5de5eea07d18e27ff4e06f35b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9801147",
    "kind": "arxiv",
    "version": 1
  }
}