Pith Number

pith:MRYFPWQX

pith:2010:MRYFPWQXPBLHEF52LDPR2FHLHR

not attested not anchored not stored refs pending

Motivic decompositions of projective homogeneous varieties and change of coefficients

Charles De Clercq

arxiv:1004.4417 v2 · 2010-04-26 · 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{MRYFPWQXPBLHEF52LDPR2FHLHR}

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	2026-05-18T04:41:26.111216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

647057da1778567217ba58df1d14eb3c5ccd6777e921cd2af287bb66678a51ca

Aliases

arxiv: 1004.4417 · arxiv_version: 1004.4417v2 · doi: 10.48550/arxiv.1004.4417 · pith_short_12: MRYFPWQXPBLH · pith_short_16: MRYFPWQXPBLHEF52 · pith_short_8: MRYFPWQX

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/MRYFPWQXPBLHEF52LDPR2FHLHR \
  | 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: 647057da1778567217ba58df1d14eb3c5ccd6777e921cd2af287bb66678a51ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32d1e55e5053af5a4329c75e76070f5890a36d95ba33ea512ac4d553d5a24fc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-04-26T06:56:05Z",
    "title_canon_sha256": "65bea90face4958089e330894bbe6dfb09e63ea983eb24f811a3b16b125ba536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4417",
    "kind": "arxiv",
    "version": 2
  }
}