Pith Number

pith:WWIBTAIE

pith:2010:WWIBTAIE44BDSA2XEGABMMASIO

not attested not anchored not stored refs pending

Projective invariants of CR-hypersurfaces

C. Hammond, C. Robles

arxiv:1010.5681 v1 · 2010-10-27 · math.DG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWIBTAIE44BDSA2XEGABMMASIO}

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	2026-05-18T04:38:16.178248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b590198104e702390357218016301243bfeb855bccb3f339a6e6e64d033ee5be

Aliases

arxiv: 1010.5681 · arxiv_version: 1010.5681v1 · doi: 10.48550/arxiv.1010.5681 · pith_short_12: WWIBTAIE44BD · pith_short_16: WWIBTAIE44BDSA2X · pith_short_8: WWIBTAIE

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/WWIBTAIE44BDSA2XEGABMMASIO \
  | 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: b590198104e702390357218016301243bfeb855bccb3f339a6e6e64d033ee5be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db961cb0f572de7c5f69eb69ece3dc96f3752528b45bd07030ff2d2e7cc04a8",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-10-27T13:28:33Z",
    "title_canon_sha256": "c6e70be0171a9edd7d20dc6a2efe5540ad89c85b4b3ea779c92674bab24185d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5681",
    "kind": "arxiv",
    "version": 1
  }
}