Pith Number

pith:IJT2RZO3

pith:2014:IJT2RZO3TA7R5ZP7VEEVSXUADX

not attested not anchored not stored refs pending

Kernels of numerical pushforwards

Brian Lehmann, Mihai Fulger

arxiv:1407.6455 v2 · 2014-07-24 · 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{IJT2RZO3TA7R5ZP7VEEVSXUADX}

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	2026-05-18T01:22:57.979427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4267a8e5db983f1ee5ffa909595e801dc9173b6bef33296cdb4606305ad78674

Aliases

arxiv: 1407.6455 · arxiv_version: 1407.6455v2 · doi: 10.48550/arxiv.1407.6455 · pith_short_12: IJT2RZO3TA7R · pith_short_16: IJT2RZO3TA7R5ZP7 · pith_short_8: IJT2RZO3

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/IJT2RZO3TA7R5ZP7VEEVSXUADX \
  | 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: 4267a8e5db983f1ee5ffa909595e801dc9173b6bef33296cdb4606305ad78674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc40df345beb5c4a5110d3a63ed9e8eea9234bafcc8c04a531fb520873a3a431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-24T05:11:35Z",
    "title_canon_sha256": "55b87bb1466e06862a64bd6e6a18f26d06074628fd907e940be1000c0bf87ba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6455",
    "kind": "arxiv",
    "version": 2
  }
}