Pith Number

pith:H4HGXPPM

pith:2014:H4HGXPPMBRBY46YA76F7LO5W6H

not attested not anchored not stored refs pending

Points in the fppf topology

Stefan Schr\"oer

arxiv:1407.5446 v2 · 2014-07-21 · 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{H4HGXPPMBRBY46YA76F7LO5W6H}

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	2026-05-18T01:22:03.411528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0e6bbdec0c438e7b00ff8bf5bbb6f1d51ea2e792943c994bb2bca713df3ede

Aliases

arxiv: 1407.5446 · arxiv_version: 1407.5446v2 · doi: 10.48550/arxiv.1407.5446 · pith_short_12: H4HGXPPMBRBY · pith_short_16: H4HGXPPMBRBY46YA · pith_short_8: H4HGXPPM

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/H4HGXPPMBRBY46YA76F7LO5W6H \
  | 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: 3f0e6bbdec0c438e7b00ff8bf5bbb6f1d51ea2e792943c994bb2bca713df3ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07abd1f8ab664f591624eb84db5b593f5203912a1cca82c8021c3d0c432baca0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-21T10:24:54Z",
    "title_canon_sha256": "5aadb22df3f6f7e7b2ac50e17af084785bb82cefce8353603d19ccfd45a70037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5446",
    "kind": "arxiv",
    "version": 2
  }
}