Pith Number

pith:IUGPTXO3

pith:2008:IUGPTXO3XQGARIZOY5ORQLSONE

not attested not anchored not stored refs pending

Embedding into manifolds with torsion

Diego Conti

arxiv:0812.4186 v2 · 2008-12-22 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUGPTXO3XQGARIZOY5ORQLSONE}

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	2026-05-18T04:15:48.235361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450cf9dddbbc0c08a32ec75d182e4e693710e29ec39bf1f26ed1fa83efeea4ae

Aliases

arxiv: 0812.4186 · arxiv_version: 0812.4186v2 · doi: 10.48550/arxiv.0812.4186 · pith_short_12: IUGPTXO3XQGA · pith_short_16: IUGPTXO3XQGARIZO · pith_short_8: IUGPTXO3

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/IUGPTXO3XQGARIZOY5ORQLSONE \
  | 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: 450cf9dddbbc0c08a32ec75d182e4e693710e29ec39bf1f26ed1fa83efeea4ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3561f305d42308c52bbc24f5d909706d1097de6e3160c7ad1b42811860edb98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-12-22T17:20:55Z",
    "title_canon_sha256": "43fceb80ac80c2294cdbf1766dfc70845509d77d7c7812019a0fda1e31caa7e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4186",
    "kind": "arxiv",
    "version": 2
  }
}