Pith Number

pith:V3AXH27I

pith:2010:V3AXH27IPMNUANX6BBJXWIYSVW

not attested not anchored not stored refs pending

On the Orientability of the Slice Filtration

Pablo Pelaez

arxiv:1009.4117 v3 · 2010-09-21 · math.KT · 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{V3AXH27IPMNUANX6BBJXWIYSVW}

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	2026-05-18T04:24:27.518379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aec173ebe87b1b4036fe08537b2312ad8dac99d749f2efde098ed1305ec83444

Aliases

arxiv: 1009.4117 · arxiv_version: 1009.4117v3 · doi: 10.48550/arxiv.1009.4117 · pith_short_12: V3AXH27IPMNU · pith_short_16: V3AXH27IPMNUANX6 · pith_short_8: V3AXH27I

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/V3AXH27IPMNUANX6BBJXWIYSVW \
  | 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: aec173ebe87b1b4036fe08537b2312ad8dac99d749f2efde098ed1305ec83444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d28e446753e2f35ff8178bd6eee153c448dc74aaf334d553d669a3d6a5fd050",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2010-09-21T15:00:54Z",
    "title_canon_sha256": "0c19d453845e3f8a02dec0b61642568b09f668b54b9523258f11d66115697f91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4117",
    "kind": "arxiv",
    "version": 3
  }
}