Pith Number

pith:AYA4536F

pith:2017:AYA4536FYBPC2H3NHKCPLG3MDY

not attested not anchored not stored refs pending

The rationality problem for conic bundles

Yuri Prokhorov

arxiv:1712.05564 v6 · 2017-12-15 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYA4536FYBPC2H3NHKCPLG3MDY}

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	2026-05-18T00:04:59.886260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0601ceefc5c05e2d1f6d3a84f59b6c1e16682f512a996093aef161c76780e8dd

Aliases

arxiv: 1712.05564 · arxiv_version: 1712.05564v6 · doi: 10.48550/arxiv.1712.05564 · pith_short_12: AYA4536FYBPC · pith_short_16: AYA4536FYBPC2H3N · pith_short_8: AYA4536F

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/AYA4536FYBPC2H3NHKCPLG3MDY \
  | 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: 0601ceefc5c05e2d1f6d3a84f59b6c1e16682f512a996093aef161c76780e8dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215b01a1dce46c43b9c790e3f806a6079a2267ebd0630e5bbc55788ce0499626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-12-15T07:19:30Z",
    "title_canon_sha256": "a113225af08ef924afaa8a7a448d55161d87f34a1170a5eaee9362d0e931cd95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05564",
    "kind": "arxiv",
    "version": 6
  }
}