Pith Number

pith:2AQSJHB7

pith:2014:2AQSJHB7N76JNV5N3KP2BUYBTS

not attested not anchored not stored refs pending

The second homology of SL_2 of S-integers

Kevin Hutchinson

arxiv:1412.0953 v3 · 2014-12-02 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AQSJHB7N76JNV5N3KP2BUYBTS}

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	2026-05-18T02:27:18.183303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d021249c3f6ffc96d7adda9fa0d3019c823cfc9523a597b958283067630162c8

Aliases

arxiv: 1412.0953 · arxiv_version: 1412.0953v3 · doi: 10.48550/arxiv.1412.0953 · pith_short_12: 2AQSJHB7N76J · pith_short_16: 2AQSJHB7N76JNV5N · pith_short_8: 2AQSJHB7

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/2AQSJHB7N76JNV5N3KP2BUYBTS \
  | 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: d021249c3f6ffc96d7adda9fa0d3019c823cfc9523a597b958283067630162c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ff88cdd0541a06f6979cca3c938af66c95674420d0fc44e4ab01c7fe70180f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-12-02T15:56:54Z",
    "title_canon_sha256": "9c690afe242c79dfec4c2a08beac7db2399e34764333c32784d87f4c6cace787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0953",
    "kind": "arxiv",
    "version": 3
  }
}