Pith Number

pith:4644HK55

pith:2017:4644HK55YMBW52IF3FY2MJWOOL

not attested not anchored not stored refs pending

Variations on Baur--Marsh's determinant

Philipp Lampe

arxiv:1709.02587 v1 · 2017-09-08 · math.CO · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4644HK55YMBW52IF3FY2MJWOOL}

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	2026-05-18T00:35:45.309815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7b9c3abbdc3036ee905d971a626ce72fe4278a139ff233d4ccf7d3dda3c9539

Aliases

arxiv: 1709.02587 · arxiv_version: 1709.02587v1 · doi: 10.48550/arxiv.1709.02587 · pith_short_12: 4644HK55YMBW · pith_short_16: 4644HK55YMBW52IF · pith_short_8: 4644HK55

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/4644HK55YMBW52IF3FY2MJWOOL \
  | 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: e7b9c3abbdc3036ee905d971a626ce72fe4278a139ff233d4ccf7d3dda3c9539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a12df721d263b677ef231ec91c9630516a6e354567417f32ec14d4f8091182e",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-08T08:42:59Z",
    "title_canon_sha256": "be988b0c5a81835b1216d4e76960fddccaf0ef2af7c0b2f0dfea2d781ebb4b71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02587",
    "kind": "arxiv",
    "version": 1
  }
}