Pith Number

pith:ABLHD7UQ

pith:2006:ABLHD7UQGBBRLPT67LFIYZ42HX

not attested not anchored not stored refs pending

Degrees of rigidity for Souslin trees

Gunter Fuchs (Westf\"alische Wilhelms-Universit\"at M\"unster), Joel David Hamkins (The City University of New York)

arxiv:math/0602482 v1 · 2006-02-22 · 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{ABLHD7UQGBBRLPT67LFIYZ42HX}

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	2026-05-18T01:08:50.533804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005671fe90304315be7efaca8c679a3dd52ae0bfa1b0a657d59148de48bea913

Aliases

arxiv: math/0602482 · arxiv_version: math/0602482v1 · doi: 10.48550/arxiv.math/0602482 · pith_short_12: ABLHD7UQGBBR · pith_short_16: ABLHD7UQGBBRLPT6 · pith_short_8: ABLHD7UQ

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/ABLHD7UQGBBRLPT67LFIYZ42HX \
  | 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: 005671fe90304315be7efaca8c679a3dd52ae0bfa1b0a657d59148de48bea913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20bd56b326859f48154f0f5f81544b46d8d184c376d4f322dbea1e569102f22c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "2006-02-22T02:41:15Z",
    "title_canon_sha256": "2a3d4af38bee74b62c50e3d5c77374f62ee95bbdaa8c0458976e49104572fb30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0602482",
    "kind": "arxiv",
    "version": 1
  }
}