Pith Number

pith:XEMUKQBA

pith:2013:XEMUKQBAKCTQ3LWTWARNOFJ5EH

not attested not anchored not stored refs pending

Very good and very bad field generators

Daniel Daigle, Pierrette Cassou-Nogu\`es

arxiv:1308.0154 v1 · 2013-08-01 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XEMUKQBAKCTQ3LWTWARNOFJ5EH}

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	2026-05-18T01:28:15.180174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b91945402050a70daed3b022d7153d21c4d6725371369970116477ee08bcb9c9

Aliases

arxiv: 1308.0154 · arxiv_version: 1308.0154v1 · doi: 10.48550/arxiv.1308.0154 · pith_short_12: XEMUKQBAKCTQ · pith_short_16: XEMUKQBAKCTQ3LWT · pith_short_8: XEMUKQBA

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/XEMUKQBAKCTQ3LWTWARNOFJ5EH \
  | 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: b91945402050a70daed3b022d7153d21c4d6725371369970116477ee08bcb9c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b2e39e6dd6dbd8a0b8fcb22ae67b1c7c59eec51d606b3994dde3d6e15372603",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-01T11:00:57Z",
    "title_canon_sha256": "707403cd4b755e4ce2e4794e2d9acaee97ab23630f7809c8dbacaa3fc1e9ad99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0154",
    "kind": "arxiv",
    "version": 1
  }
}