Pith Number

pith:NZPGYOXP

pith:2018:NZPGYOXPLTU2OEOKQS4YSPQMIB

not attested not anchored not stored refs pending

The connection between combinatorics and cohomology of elliptic arrangements

Roberto Pagaria

arxiv:1805.04906 v3 · 2018-05-13 · 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{NZPGYOXPLTU2OEOKQS4YSPQMIB}

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	2026-05-17T23:56:53.387419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e5e6c3aef5ce9a711ca84b9893e0c404c2b56f9fe9b0dfd6964877d2714fa2d

Aliases

arxiv: 1805.04906 · arxiv_version: 1805.04906v3 · doi: 10.48550/arxiv.1805.04906 · pith_short_12: NZPGYOXPLTU2 · pith_short_16: NZPGYOXPLTU2OEOK · pith_short_8: NZPGYOXP

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/NZPGYOXPLTU2OEOKQS4YSPQMIB \
  | 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: 6e5e6c3aef5ce9a711ca84b9893e0c404c2b56f9fe9b0dfd6964877d2714fa2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7df99f9f93ab2fdf8fba357968d0f6abf77fd0bd99c9f13437d84df005df40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-05-13T16:13:47Z",
    "title_canon_sha256": "2a49ff2b54a625e16edad10e6605236f19ecc36e6bf21a7b39dd3a5385069a91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04906",
    "kind": "arxiv",
    "version": 3
  }
}