Pith Number

pith:R33I6ZT4

pith:2018:R33I6ZT4XRJASHVKDID4LIUGN4

not attested not anchored not stored refs pending

Geometric presentation for the cohomology ring of polygon spaces

Gaiane Panina, Ilia Nekrasov

arxiv:1801.00785 v2 · 2018-01-02 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R33I6ZT4XRJASHVKDID4LIUGN4}

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	2026-05-18T00:23:58.675278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ef68f667cbc52091eaa1a07c5a2866f2a8fdff5d2e126ba9b13870e7e8b6650

Aliases

arxiv: 1801.00785 · arxiv_version: 1801.00785v2 · doi: 10.48550/arxiv.1801.00785 · pith_short_12: R33I6ZT4XRJA · pith_short_16: R33I6ZT4XRJASHVK · pith_short_8: R33I6ZT4

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/R33I6ZT4XRJASHVKDID4LIUGN4 \
  | 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: 8ef68f667cbc52091eaa1a07c5a2866f2a8fdff5d2e126ba9b13870e7e8b6650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e942911e6c1d513df8537c1a76edbac09f39b461bec13c27e0f82aa779d4c2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-01-02T10:03:51Z",
    "title_canon_sha256": "6fd3bab4aeae7eb65e4024d1e8a69f4b914f24ab55522d67d3a5786810d28edc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00785",
    "kind": "arxiv",
    "version": 2
  }
}