Pith Number

pith:MXJH5XTF

pith:2014:MXJH5XTF6ALOXTJIYLQTJCM666

not attested not anchored not stored refs pending

Projective representations of fundamental groups of quasiprojective varieties: a realization and a lifting result

Ga\"el Cousin

arxiv:1403.6954 v2 · 2014-03-27 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXJH5XTF6ALOXTJIYLQTJCM666}

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	2026-05-18T02:37:51.870173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65d27ede65f016ebcd28c2e134899ef789a7d07366f49ed7a8f14c3ba395eb2e

Aliases

arxiv: 1403.6954 · arxiv_version: 1403.6954v2 · doi: 10.48550/arxiv.1403.6954 · pith_short_12: MXJH5XTF6ALO · pith_short_16: MXJH5XTF6ALOXTJI · pith_short_8: MXJH5XTF

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/MXJH5XTF6ALOXTJIYLQTJCM666 \
  | 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: 65d27ede65f016ebcd28c2e134899ef789a7d07366f49ed7a8f14c3ba395eb2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1524f77d314a349641d2822e4a0eec778e3318eb22392e2136b240b33d53832",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-03-27T09:08:36Z",
    "title_canon_sha256": "d1e8a3573523b7059f57c57f4ce7390c8909f904c660715c7d9814430931745a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6954",
    "kind": "arxiv",
    "version": 2
  }
}