Pith Number

pith:AHHB7HSQ

pith:2012:AHHB7HSQWOAIRORYFFYXXQCME2

not attested not anchored not stored refs pending

Graph homology and graph configuration spaces

Radmila Sazdanovic, Vladimir Baranovsky

arxiv:1208.5781 v1 · 2012-08-28 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHHB7HSQWOAIRORYFFYXXQCME2}

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	2026-05-18T03:46:48.723664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01ce1f9e50b38088ba3829717bc04c26b317e85f121ddc75e4bc90c37edafa65

Aliases

arxiv: 1208.5781 · arxiv_version: 1208.5781v1 · doi: 10.48550/arxiv.1208.5781 · pith_short_12: AHHB7HSQWOAI · pith_short_16: AHHB7HSQWOAIRORY · pith_short_8: AHHB7HSQ

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/AHHB7HSQWOAIRORYFFYXXQCME2 \
  | 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: 01ce1f9e50b38088ba3829717bc04c26b317e85f121ddc75e4bc90c37edafa65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b7e2428899623bc4d51915695d07422c0a85304e87fe3e896d3ee8ee5e26da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-08-28T20:17:48Z",
    "title_canon_sha256": "7614519d5efe3b8d00f6e055a92b11841a5a94802b180477daa82c6da11a82d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5781",
    "kind": "arxiv",
    "version": 1
  }
}