Pith Number

pith:ILLCZKEM

pith:2017:ILLCZKEMT4AX2FZ3BDPGWAJE2F

not attested not anchored not stored refs pending

On integral cohomology of certain orbifolds

Anthony Bahri, Dietrich Notbohm, Jongbaek Song, Soumen Sarkar

arxiv:1711.01748 v1 · 2017-11-06 · math.AT · 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{ILLCZKEMT4AX2FZ3BDPGWAJE2F}

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	2026-05-18T00:31:16.972754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42d62ca88c9f017d173b08de6b0124d16311d212632d55e3523f409154c8fedc

Aliases

arxiv: 1711.01748 · arxiv_version: 1711.01748v1 · doi: 10.48550/arxiv.1711.01748 · pith_short_12: ILLCZKEMT4AX · pith_short_16: ILLCZKEMT4AX2FZ3 · pith_short_8: ILLCZKEM

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/ILLCZKEMT4AX2FZ3BDPGWAJE2F \
  | 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: 42d62ca88c9f017d173b08de6b0124d16311d212632d55e3523f409154c8fedc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "328470ffdaccdee7e2aa0e1e7759ecf3239a48279303796e34117b8d947789f3",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-11-06T07:11:23Z",
    "title_canon_sha256": "1b8ab2fd970a1f3bf55c150c53f31409a24b616b7026aaea10b5e80515c8f1ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01748",
    "kind": "arxiv",
    "version": 1
  }
}