Pith Number

pith:N6LYP4B3

pith:2015:N6LYP4B37RDCS3445OI2NMOCNG

not attested not anchored not stored refs pending

The stable cohomology of the Satake compactification of $\mathcal{A}_g$

Eduard Looijenga, Jiaming Chen

arxiv:1508.05600 v2 · 2015-08-23 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6LYP4B37RDCS3445OI2NMOCNG}

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	2026-05-18T00:42:33.345940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f9787f03bfc46296f9ceb91a6b1c269974087978ab1b793c72ba249513e9b98

Aliases

arxiv: 1508.05600 · arxiv_version: 1508.05600v2 · doi: 10.48550/arxiv.1508.05600 · pith_short_12: N6LYP4B37RDC · pith_short_16: N6LYP4B37RDCS344 · pith_short_8: N6LYP4B3

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/N6LYP4B37RDCS3445OI2NMOCNG \
  | 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: 6f9787f03bfc46296f9ceb91a6b1c269974087978ab1b793c72ba249513e9b98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95be04bfac8182114099516eaf7bf30e02f6d986b723f2a827a84f2187e53401",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-08-23T12:32:39Z",
    "title_canon_sha256": "455a393725ed4bbf4b3487c9622bcc7367138430b21b49f1e57797a5ea527934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05600",
    "kind": "arxiv",
    "version": 2
  }
}