Pith Number

pith:DHZRK33A

pith:2012:DHZRK33A42HVMIVKAKGSSHBTNU

not attested not anchored not stored refs pending

Local classification of generalized complex structures

Michael Bailey

arxiv:1201.4887 v4 · 2012-01-23 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHZRK33A42HVMIVKAKGSSHBTNU}

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	2026-05-18T03:16:49.939879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f3156f60e68f5622aa028d291c336d392e25ceea5911c383793c2791b65f2a

Aliases

arxiv: 1201.4887 · arxiv_version: 1201.4887v4 · doi: 10.48550/arxiv.1201.4887 · pith_short_12: DHZRK33A42HV · pith_short_16: DHZRK33A42HVMIVK · pith_short_8: DHZRK33A

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/DHZRK33A42HVMIVKAKGSSHBTNU \
  | 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: 19f3156f60e68f5622aa028d291c336d392e25ceea5911c383793c2791b65f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ab8b152abd7083ab32454654fe640722904569bd308d8455d3fb57ccd2e627",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-01-23T22:20:55Z",
    "title_canon_sha256": "8139f8a5b8d814b6317a2fd0d9223e1a808d5df93ab6a1eebe3530e4f315d4f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4887",
    "kind": "arxiv",
    "version": 4
  }
}