Pith Number

pith:FYRCWA62

pith:2021:FYRCWA62E4QFPCFKPGX3B55CTK

not attested not anchored not stored refs pending

Two-loop superstring five-point amplitudes III, construction via the RNS formulation: even spin structures

Eric D'Hoker, Oliver Schlotterer

arxiv:2108.01104 v4 · 2021-08-02 · 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{FYRCWA62E4QFPCFKPGX3B55CTK}

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	2026-07-05T04:42:55.573771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e222b03da27205788aa79afb0f7a29a96c38fe1821d09fc4ee42435b760b5af

Aliases

arxiv: 2108.01104 · arxiv_version: 2108.01104v4 · doi: 10.48550/arxiv.2108.01104 · pith_short_12: FYRCWA62E4QF · pith_short_16: FYRCWA62E4QFPCFK · pith_short_8: FYRCWA62

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/FYRCWA62E4QFPCFKPGX3B55CTK \
  | 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: 2e222b03da27205788aa79afb0f7a29a96c38fe1821d09fc4ee42435b760b5af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31eb2fecc8c548a8df2d459176cba801215be19d106703ba8d6898007fbad4d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-08-02T18:01:40Z",
    "title_canon_sha256": "7e722a54fa8650b89ed91d79903945f0dd8ee5f157e71c2e5208bfd9d5f10ff2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01104",
    "kind": "arxiv",
    "version": 4
  }
}