Pith Number

pith:PYNHW5XP

pith:2019:PYNHW5XPCGVQWKD7VMWZS2RLGY

not attested not anchored not stored refs pending

A Conjecture of Trautman

Howard Jacobowitz

arxiv:1902.00559 v1 · 2019-02-01 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYNHW5XPCGVQWKD7VMWZS2RLGY}

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	2026-05-17T23:54:52.820154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e1a7b76ef11ab0b287fab2d996a2b361ce916c3ca2eda27eada1366e382f0d1

Aliases

arxiv: 1902.00559 · arxiv_version: 1902.00559v1 · doi: 10.48550/arxiv.1902.00559 · pith_short_12: PYNHW5XPCGVQ · pith_short_16: PYNHW5XPCGVQWKD7 · pith_short_8: PYNHW5XP

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/PYNHW5XPCGVQWKD7VMWZS2RLGY \
  | 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: 7e1a7b76ef11ab0b287fab2d996a2b361ce916c3ca2eda27eada1366e382f0d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05da224c6809b62b310c934e4d2f859c967ef9efaa0e997ef836209268e90baa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-02-01T20:50:29Z",
    "title_canon_sha256": "cc6f307de5d3e697b95c0b250491c409505ef597fa0001f1fd58e49490d112cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00559",
    "kind": "arxiv",
    "version": 1
  }
}