Pith Number

pith:F5VAAFJY

pith:2013:F5VAAFJY46F2DK53E4LGTRLNEQ

not attested not anchored not stored refs pending

New nef divisors on $\bar{M}_{0,n}$

Maksym Fedorchuk

arxiv:1308.5993 v1 · 2013-08-27 · 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{F5VAAFJY46F2DK53E4LGTRLNEQ}

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	2026-05-18T03:14:49.391180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f6a001538e78ba1abbb271669c56d242a959729377ff1680c619beb03af6a95

Aliases

arxiv: 1308.5993 · arxiv_version: 1308.5993v1 · doi: 10.48550/arxiv.1308.5993 · pith_short_12: F5VAAFJY46F2 · pith_short_16: F5VAAFJY46F2DK53 · pith_short_8: F5VAAFJY

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/F5VAAFJY46F2DK53E4LGTRLNEQ \
  | 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: 2f6a001538e78ba1abbb271669c56d242a959729377ff1680c619beb03af6a95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d4d2e0a854d22097d3082400a0a1b3b0b46edeae25017494b1d2ec9596334e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-27T20:56:24Z",
    "title_canon_sha256": "cd7885cd1a5275df142da307a99dc86ac468f8462e8adef71906420605e46b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5993",
    "kind": "arxiv",
    "version": 1
  }
}