Pith Number

pith:6BLTT7UN

pith:2025:6BLTT7UN6JUEGUY63Z5IGJQVLC

not attested not anchored not stored refs pending

On a question of Ab\'ert and Vir\'ag

Jorge Fari\~na-Asategui

arxiv:2505.23142 v1 · 2025-05-29 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6BLTT7UN6JUEGUY63Z5IGJQVLC}

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.

Cited by

1 paper in Pith

Weakly branch actions: first-order theory, rigidity and Boston's conjecture

Receipt and verification

First computed	2026-06-05T01:15:14.124783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f05739fe8df26843531ede7a83261558b4fc67f30a1ba789e5a43675ab3005c0

Aliases

arxiv: 2505.23142 · arxiv_version: 2505.23142v1 · doi: 10.48550/arxiv.2505.23142 · pith_short_12: 6BLTT7UN6JUE · pith_short_16: 6BLTT7UN6JUEGUY6 · pith_short_8: 6BLTT7UN

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/6BLTT7UN6JUEGUY63Z5IGJQVLC \
  | 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: f05739fe8df26843531ede7a83261558b4fc67f30a1ba789e5a43675ab3005c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2d26f722ca2102c448174e9fcff26ec079577f134849f52a0464006ef26b7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2025-05-29T06:30:39Z",
    "title_canon_sha256": "ab0f347c59908cd467001f633ac628b11aa382bbd2902ce82308193d1383e54a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23142",
    "kind": "arxiv",
    "version": 1
  }
}