Pith Number

pith:USZGRHB4

pith:2017:USZGRHB4WVAEA5D5VR2UCLWI2I

not attested not anchored not stored refs pending

Reversible Disjoint Unions of Well Orders and Their Inverses

Milo\v{s} S. Kurili\'c, Nenad Mora\v{c}a

arxiv:1711.07053 v1 · 2017-11-19 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USZGRHB4WVAEA5D5VR2UCLWI2I}

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	2026-05-18T00:30:14.714952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b2689c3cb54040747dac75412ec8d2227f6530d349af9dd71a672fee025325

Aliases

arxiv: 1711.07053 · arxiv_version: 1711.07053v1 · doi: 10.48550/arxiv.1711.07053 · pith_short_12: USZGRHB4WVAE · pith_short_16: USZGRHB4WVAEA5D5 · pith_short_8: USZGRHB4

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/USZGRHB4WVAEA5D5VR2UCLWI2I \
  | 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: a4b2689c3cb54040747dac75412ec8d2227f6530d349af9dd71a672fee025325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03574780892c836e93def0686442e0f066347c7ce1315aa4296b975961255489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-11-19T17:11:42Z",
    "title_canon_sha256": "800d9db701cb2f6b46c9c6fbfa83f83e2e8864f1e323d5cdc83f15a455a4fbad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07053",
    "kind": "arxiv",
    "version": 1
  }
}