Pith Number

pith:OG4UPCF5

pith:2013:OG4UPCF5YDEQK6GXFOKTAYJHOT

not attested not anchored not stored refs pending

Remarks on Hamiltonian Structures in G_2-Geometry

Albert J. Todd, Hyunjoo Cho, Sema Salur

arxiv:1309.1984 v1 · 2013-09-08 · math.DG · math-ph · math.MP · 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{OG4UPCF5YDEQK6GXFOKTAYJHOT}

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	2026-05-18T01:47:48.662609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71b94788bdc0c90578d72b9530612774f3dc6261fb60642a0362df0673b27e8e

Aliases

arxiv: 1309.1984 · arxiv_version: 1309.1984v1 · doi: 10.48550/arxiv.1309.1984 · pith_short_12: OG4UPCF5YDEQ · pith_short_16: OG4UPCF5YDEQK6GX · pith_short_8: OG4UPCF5

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/OG4UPCF5YDEQK6GXFOKTAYJHOT \
  | 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: 71b94788bdc0c90578d72b9530612774f3dc6261fb60642a0362df0673b27e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05b5bd7efb5f01db4123c135589b9c7d3a1c7f648ef15c432eff30b4a16c344e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-08T17:46:51Z",
    "title_canon_sha256": "7b20bcb0ead4c14d00bb27798681086b238d0e4f54c4908061d8925508e48a11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1984",
    "kind": "arxiv",
    "version": 1
  }
}