Pith Number

pith:LBVLH3Q2

pith:2021:LBVLH3Q2FKXYCGKS5WMMAT2FLC

not attested not anchored not stored refs pending

Higher-Spin States of the Superstring in an Electromagnetic Background

Cassiano A. Daniel, Karim Benakli, Matheus Lize, Nathan Berkovits

arxiv:2110.07623 v2 · 2021-10-14 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBVLH3Q2FKXYCGKS5WMMAT2FLC}

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	2026-07-05T03:45:50.700729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

586ab3ee1a2aaf811952ed98c04f4558b29d6c6f306a8b812126eb7f8ecbb0b6

Aliases

arxiv: 2110.07623 · arxiv_version: 2110.07623v2 · doi: 10.48550/arxiv.2110.07623 · pith_short_12: LBVLH3Q2FKXY · pith_short_16: LBVLH3Q2FKXYCGKS · pith_short_8: LBVLH3Q2

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/LBVLH3Q2FKXYCGKS5WMMAT2FLC \
  | 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: 586ab3ee1a2aaf811952ed98c04f4558b29d6c6f306a8b812126eb7f8ecbb0b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4d31f2c37776db3fced5427e9deab0ead67a6685f1f13289309cd9443bb859c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-10-14T18:00:05Z",
    "title_canon_sha256": "87d8dc4e0336eac8a298458b68430d5b81175f12a15c6b9cc7308ce7ec1c2496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07623",
    "kind": "arxiv",
    "version": 2
  }
}