Pith Number

pith:SATH55JQ

pith:2014:SATH55JQPR2MCGNP3AYTB52HY2

not attested not anchored not stored refs pending

The action dimension of right-angled Artin groups

Boris Okun, Grigori Avramidi, Kevin Schreve, Michael W. Davis

arxiv:1409.6325 v1 · 2014-09-22 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SATH55JQPR2MCGNP3AYTB52HY2}

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	2026-05-18T00:44:28.783064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90267ef5307c74c119afd83130f747c6a0b3160194154945af7743470ab0b853

Aliases

arxiv: 1409.6325 · arxiv_version: 1409.6325v1 · doi: 10.48550/arxiv.1409.6325 · pith_short_12: SATH55JQPR2M · pith_short_16: SATH55JQPR2MCGNP · pith_short_8: SATH55JQ

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/SATH55JQPR2MCGNP3AYTB52HY2 \
  | 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: 90267ef5307c74c119afd83130f747c6a0b3160194154945af7743470ab0b853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eae73f6891eaec5e0f02598d6c7ad88b1a887e50a2ff7e6e21f52f3b74cd7dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-09-22T20:02:27Z",
    "title_canon_sha256": "71e076da62df513f515eec77242acb16aca9d15cfd915abed64647d3332878db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6325",
    "kind": "arxiv",
    "version": 1
  }
}