Pith Number

pith:74D67SPE

pith:2009:74D67SPELA5NAZQGPS4S2JTLFE

not attested not anchored not stored refs pending

New non compact Calabi-Yau metrics in D=6

Osvaldo P. Santillan

arxiv:0909.1718 v4 · 2009-09-09 · hep-th · 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{74D67SPELA5NAZQGPS4S2JTLFE}

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	2026-05-18T03:55:37.720328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff07efc9e4583ad066067cb92d266b292b94b4f9972fdf97f42a8be6a7bfe46a

Aliases

arxiv: 0909.1718 · arxiv_version: 0909.1718v4 · doi: 10.48550/arxiv.0909.1718 · pith_short_12: 74D67SPELA5N · pith_short_16: 74D67SPELA5NAZQG · pith_short_8: 74D67SPE

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/74D67SPELA5NAZQGPS4S2JTLFE \
  | 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: ff07efc9e4583ad066067cb92d266b292b94b4f9972fdf97f42a8be6a7bfe46a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3a98111453eea8312b1b7e7af809d5c7bebf55f7d3b4d006d31f8a3c00b50c",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-09-09T14:45:09Z",
    "title_canon_sha256": "ed7143bddc7b6fbac2cd8c31317037f7715711385a75ebeb6b72848300024c7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1718",
    "kind": "arxiv",
    "version": 4
  }
}