Pith Number

pith:F3OETZLM

pith:2014:F3OETZLMYN4X5TRERSV2NDRFHS

not attested not anchored not stored refs pending

Motivic Landweber exact theories and their effective covers

Marc Levine

arxiv:1401.0284 v2 · 2014-01-01 · 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{F3OETZLMYN4X5TRERSV2NDRFHS}

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	2026-05-18T02:30:15.771341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2edc49e56cc3797ece248caba68e253c90b408d0e70424f516cca8e985d0eed6

Aliases

arxiv: 1401.0284 · arxiv_version: 1401.0284v2 · doi: 10.48550/arxiv.1401.0284 · pith_short_12: F3OETZLMYN4X · pith_short_16: F3OETZLMYN4X5TRE · pith_short_8: F3OETZLM

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/F3OETZLMYN4X5TRERSV2NDRFHS \
  | 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: 2edc49e56cc3797ece248caba68e253c90b408d0e70424f516cca8e985d0eed6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b593e0fd25f0715efb336de68ba204af1b76bd2da62d1b27ac3a047d14524ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-01-01T13:48:45Z",
    "title_canon_sha256": "8f0bf0f197b15b00dbeacb083aef65a0a1a5cc7fe13520f61e1aeafa7eca21b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0284",
    "kind": "arxiv",
    "version": 2
  }
}