Pith Number

pith:WH7CGLJF

pith:2013:WH7CGLJFJXES633P5PX6TF2PNI

not attested not anchored not stored refs pending

Deformation of algebraic cycle classes in characteristic zero

H\'el\`ene Esnault, Moritz Kerz, Spencer Bloch

arxiv:1310.1773 v2 · 2013-10-07 · 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{WH7CGLJFJXES633P5PX6TF2PNI}

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	2026-05-18T02:58:21.625160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1fe232d254dc92f6f6febefe9974f6a285e46be65dec71664ed29b92a46106b

Aliases

arxiv: 1310.1773 · arxiv_version: 1310.1773v2 · doi: 10.48550/arxiv.1310.1773 · pith_short_12: WH7CGLJFJXES · pith_short_16: WH7CGLJFJXES633P · pith_short_8: WH7CGLJF

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/WH7CGLJFJXES633P5PX6TF2PNI \
  | 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: b1fe232d254dc92f6f6febefe9974f6a285e46be65dec71664ed29b92a46106b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38433f900145525144ecc6a1561f4d9b8e35705a3634e0cca400f224397db8b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-07T13:20:11Z",
    "title_canon_sha256": "06a5eaf8b88dcffddcf921186874764acac85fa6501062ed8897d32ef8d200fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1773",
    "kind": "arxiv",
    "version": 2
  }
}