Pith Number

pith:TWK6DR2I

pith:2017:TWK6DR2ILJWSTXFQUD4VUBOVSN

not attested not anchored not stored refs pending

A Cameron and Erd\"os conjecture on counting primitive sets

Rodrigo Angelo

arxiv:1711.08107 v1 · 2017-11-22 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWK6DR2ILJWSTXFQUD4VUBOVSN}

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	2026-05-18T00:29:50.656816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d95e1c7485a6d29dcb0a0f95a05d59367fb459d4657d08d438eaeb043f0ceb5

Aliases

arxiv: 1711.08107 · arxiv_version: 1711.08107v1 · doi: 10.48550/arxiv.1711.08107 · pith_short_12: TWK6DR2ILJWS · pith_short_16: TWK6DR2ILJWSTXFQ · pith_short_8: TWK6DR2I

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/TWK6DR2ILJWSTXFQUD4VUBOVSN \
  | 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: 9d95e1c7485a6d29dcb0a0f95a05d59367fb459d4657d08d438eaeb043f0ceb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "415b3f8b67183e29b84565f5bcff1166eea3e3b8b7f32382b4b5b8171e0af35e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-11-22T02:10:32Z",
    "title_canon_sha256": "8df86430ddd8596066c9969919e0e39dbbb6d64527208130263a212f51f5493e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08107",
    "kind": "arxiv",
    "version": 1
  }
}