Pith Number

pith:VBDX2N6R

pith:2018:VBDX2N6RWM2XBDMIN73LFXMSKU

not attested not anchored not stored refs pending

Conway-Coxeter friezes and mutation: a survey

Eleonore Faber, Gordana Todorov, Karin Baur, Khrystyna Serhiyenko, Sira Gratz

arxiv:1806.06441 v1 · 2018-06-17 · math.RA · 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{VBDX2N6RWM2XBDMIN73LFXMSKU}

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	2026-05-18T00:13:02.392262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8477d37d1b335708d886ff6b2dd9255166873734a467a3d6b0a9327ffc51776

Aliases

arxiv: 1806.06441 · arxiv_version: 1806.06441v1 · doi: 10.48550/arxiv.1806.06441 · pith_short_12: VBDX2N6RWM2X · pith_short_16: VBDX2N6RWM2XBDMI · pith_short_8: VBDX2N6R

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/VBDX2N6RWM2XBDMIN73LFXMSKU \
  | 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: a8477d37d1b335708d886ff6b2dd9255166873734a467a3d6b0a9327ffc51776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a04b9d654d6048b27a145d74dce7b58913b13b44c4b57d258470d1c7b35df2b9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-06-17T20:22:55Z",
    "title_canon_sha256": "79bfb79fd9c3614be26dc7f5bc7f61f1176271ad7cdecdff691e388b6fa1f301"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06441",
    "kind": "arxiv",
    "version": 1
  }
}