Pith Number

pith:S5US5T2L

pith:2005:S5US5T2LB6Q4RDUZLBVSQZYYJO

not attested not anchored not stored refs pending

Functoriality of the coniveau filtration

Donu Arapura, Su-Jeong Kang

arxiv:math/0501347 v1 · 2005-01-21 · 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{S5US5T2LB6Q4RDUZLBVSQZYYJO}

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	2026-07-04T14:39:32.753529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97692ecf4b0fa1c88e99586b2867184bb40f8e288575f643d799b1216c19194c

Aliases

arxiv: math/0501347 · arxiv_version: math/0501347v1 · doi: 10.48550/arxiv.math/0501347 · pith_short_12: S5US5T2LB6Q4 · pith_short_16: S5US5T2LB6Q4RDUZ · pith_short_8: S5US5T2L

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/S5US5T2LB6Q4RDUZLBVSQZYYJO \
  | 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: 97692ecf4b0fa1c88e99586b2867184bb40f8e288575f643d799b1216c19194c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b440c76f82b96a83b3ff3fe8434e2ea71f93e0d2ad6d4454caabdb790826f468",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2005-01-21T16:31:48Z",
    "title_canon_sha256": "2260d831cc46279b779ed5130aaf85474471a0e9d516806d7c27c5334e0d4d69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0501347",
    "kind": "arxiv",
    "version": 1
  }
}