Pith Number

pith:7ALLBTQN

pith:2014:7ALLBTQNBVYH6OMXPTA7LI3EM7

not attested not anchored not stored refs pending

Davies-trees in infinite combinatorics

Daniel T. Soukup

arxiv:1407.3604 v1 · 2014-07-14 · math.LO · 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{7ALLBTQNBVYH6OMXPTA7LI3EM7}

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	2026-05-18T02:47:42.395798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f816b0ce0d0d707f39977cc1f5a36467de95f3e3500160b06229a9bcc335c15b

Aliases

arxiv: 1407.3604 · arxiv_version: 1407.3604v1 · doi: 10.48550/arxiv.1407.3604 · pith_short_12: 7ALLBTQNBVYH · pith_short_16: 7ALLBTQNBVYH6OMX · pith_short_8: 7ALLBTQN

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/7ALLBTQNBVYH6OMXPTA7LI3EM7 \
  | 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: f816b0ce0d0d707f39977cc1f5a36467de95f3e3500160b06229a9bcc335c15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2f260432c54f7c1142982657d0d1d934140922d65952d1ea03138bda44a4de",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-07-14T11:03:23Z",
    "title_canon_sha256": "12c7046ce581ca3dbedb3c3b9189127986e336ee986607145b08ee61d7af5dc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3604",
    "kind": "arxiv",
    "version": 1
  }
}