Pith Number

pith:R3KQBVXH

pith:2013:R3KQBVXHZQRF26O6ITVGG3YYDI

not attested not anchored not stored refs pending

On the quantum Horn problem

Nicolas Ressayre (ICJ)

arxiv:1310.7331 v1 · 2013-10-28 · 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{R3KQBVXHZQRF26O6ITVGG3YYDI}

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	2026-05-18T03:08:45.679955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ed500d6e7cc225d79de44ea636f181a2f958d75097ba9891280597834a64843

Aliases

arxiv: 1310.7331 · arxiv_version: 1310.7331v1 · doi: 10.48550/arxiv.1310.7331 · pith_short_12: R3KQBVXHZQRF · pith_short_16: R3KQBVXHZQRF26O6 · pith_short_8: R3KQBVXH

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/R3KQBVXHZQRF26O6ITVGG3YYDI \
  | 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: 8ed500d6e7cc225d79de44ea636f181a2f958d75097ba9891280597834a64843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44323d4020d6596a88a2a471aac65fa1bd16881bc853d22f315718d456773c7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-28T07:28:37Z",
    "title_canon_sha256": "8bbe0f9ececd93e511c1b4ba47885a97a4fdd8bb31e02a4d26e6a2cb3d31578a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7331",
    "kind": "arxiv",
    "version": 1
  }
}