Pith Number

pith:5NT5UU7B

pith:2013:5NT5UU7BD7EYQOLWUXO3AO5XRA

not attested not anchored not stored refs pending

Cohomology ring of the BRST operator associated to the sum of two pure spinors

Albert Schwarz, Andrei Mikhailov, Renjun Xu

arxiv:1305.0071 v1 · 2013-05-01 · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NT5UU7BD7EYQOLWUXO3AO5XRA}

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	2026-05-18T03:18:05.968631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb67da53e11fc9883976a5ddb03bb788053d33b3e506f3532b2f09f1cc4976c8

Aliases

arxiv: 1305.0071 · arxiv_version: 1305.0071v1 · doi: 10.48550/arxiv.1305.0071 · pith_short_12: 5NT5UU7BD7EY · pith_short_16: 5NT5UU7BD7EYQOLW · pith_short_8: 5NT5UU7B

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/5NT5UU7BD7EYQOLWUXO3AO5XRA \
  | 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: eb67da53e11fc9883976a5ddb03bb788053d33b3e506f3532b2f09f1cc4976c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a90f98526afd3012865287a70a3e861ade05503382ad90281aba98657588082",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-05-01T02:34:05Z",
    "title_canon_sha256": "efce802bd444338f0fa1ce3f13cb7bdd464ad8e30891a47bc1027ef055463251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0071",
    "kind": "arxiv",
    "version": 1
  }
}