Pith Number

pith:IR66TBQE

pith:2012:IR66TBQEAKLYCL2Z4A4FVTQ765

not attested not anchored not stored refs pending

On the local and global classification of generalized complex structures

Michael Bailey

arxiv:1201.0791 v1 · 2012-01-04 · 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{IR66TBQEAKLYCL2Z4A4FVTQ765}

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	2026-05-18T03:55:00.803824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

447de986040297812f59e0385ace1ff749bc8c38209e02f0ad2f96f977296ce4

Aliases

arxiv: 1201.0791 · arxiv_version: 1201.0791v1 · doi: 10.48550/arxiv.1201.0791 · pith_short_12: IR66TBQEAKLY · pith_short_16: IR66TBQEAKLYCL2Z · pith_short_8: IR66TBQE

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/IR66TBQEAKLYCL2Z4A4FVTQ765 \
  | 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: 447de986040297812f59e0385ace1ff749bc8c38209e02f0ad2f96f977296ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "896db876e62bf52e26c9cada01aad6c25db4f80e86c0752f0f611fc2c4a8278a",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-01-04T00:28:31Z",
    "title_canon_sha256": "5e39ace3696875689ff0406dce9b32c3d7d84da7ade8c6ad1a8542e4ae038058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0791",
    "kind": "arxiv",
    "version": 1
  }
}