Pith Number

pith:BSAREFEN

pith:1998:BSAREFENGIP4XF6XAXDEPBNBNS

not attested not anchored not stored refs pending

The G-Signature Theorem Revisited

Jonathan Rosenberg

arxiv:math/9812129 v1 · 1998-12-22 · math.DG · math.KT · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSAREFENGIP4XF6XAXDEPBNBNS}

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	2026-05-17T23:39:28.238295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c8112148d321fcb97d705c64785a16cbc7f5d8b234457fa9865c51aa14e494a

Aliases

arxiv: math/9812129 · arxiv_version: math/9812129v1 · doi: 10.48550/arxiv.math/9812129 · pith_short_12: BSAREFENGIP4 · pith_short_16: BSAREFENGIP4XF6X · pith_short_8: BSAREFEN

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/BSAREFENGIP4XF6XAXDEPBNBNS \
  | 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: 0c8112148d321fcb97d705c64785a16cbc7f5d8b234457fa9865c51aa14e494a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c9e8fcc64c6a58bd763aa037e939d49e59218823fe732fc827bc487df15049",
    "cross_cats_sorted": [
      "math.KT",
      "math.OA"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "1998-12-22T13:27:17Z",
    "title_canon_sha256": "a37d0414e00f2a1b867412eb24883e000eb3bb024a8aaeb40dc14e48180956dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9812129",
    "kind": "arxiv",
    "version": 1
  }
}