Pith Number

pith:26I63DOJ

pith:2014:26I63DOJWS2JST4CQBCL37T6L7

not attested not anchored not stored refs pending

Remarks on the collapsing of torus fibered Calabi-Yau manifolds

Hans-Joachim Hein, Valentino Tosatti

arxiv:1402.0610 v2 · 2014-02-04 · 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{26I63DOJWS2JST4CQBCL37T6L7}

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	2026-05-18T01:25:47.706365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d791ed8dc9b4b4994f828044bdfe7e5fc318e521d023b689e20d4813e5f9a52e

Aliases

arxiv: 1402.0610 · arxiv_version: 1402.0610v2 · doi: 10.48550/arxiv.1402.0610 · pith_short_12: 26I63DOJWS2J · pith_short_16: 26I63DOJWS2JST4C · pith_short_8: 26I63DOJ

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/26I63DOJWS2JST4CQBCL37T6L7 \
  | 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: d791ed8dc9b4b4994f828044bdfe7e5fc318e521d023b689e20d4813e5f9a52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9de1745c3fadaa2800065379ba60ca2a777ee235c95c1d0ef2031b26feb8a47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-04T03:57:41Z",
    "title_canon_sha256": "6e1ca22a53cd9e041c71b8c61808845c5119f451fe3759c232f3832e21967e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0610",
    "kind": "arxiv",
    "version": 2
  }
}