Pith Number

pith:EI2ZFGHS

pith:2011:EI2ZFGHS5OHB7NPDFDLDJ6C2JU

not attested not anchored not stored refs pending

Hierarchies and compatibility on Courant algebroids

Camille Laurent-Gengoux, Joana M. Nunes da Costa, Paulo Antunes

arxiv:1111.0800 v2 · 2011-11-03 · 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{EI2ZFGHS5OHB7NPDFDLDJ6C2JU}

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	2026-05-18T04:04:33.031697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22359298f2eb8e1fb5e328d634f85a4d28b0ddd011b696bff402cf22bd4d9548

Aliases

arxiv: 1111.0800 · arxiv_version: 1111.0800v2 · doi: 10.48550/arxiv.1111.0800 · pith_short_12: EI2ZFGHS5OHB · pith_short_16: EI2ZFGHS5OHB7NPD · pith_short_8: EI2ZFGHS

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/EI2ZFGHS5OHB7NPDFDLDJ6C2JU \
  | 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: 22359298f2eb8e1fb5e328d634f85a4d28b0ddd011b696bff402cf22bd4d9548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "327aea3591c13c946b9374c56cb8967d513b2aa9795fe50b658f5d2800019104",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-11-03T11:19:15Z",
    "title_canon_sha256": "ef6b97491dafcaecd9111939ff56d67b3e263a7472940acfaf53a4ab75f47528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0800",
    "kind": "arxiv",
    "version": 2
  }
}