Pith Number

pith:JFGF6FHQ

pith:1995:JFGF6FHQWRNQ6SMCZFZSO4MVMH

not attested not anchored not stored refs pending

The calculation of Feynman diagrams in the superstring perturbation theory

G. S. Danilov

arxiv:hep-th/9501031 v1 · 1995-01-10 · 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{JFGF6FHQWRNQ6SMCZFZSO4MVMH}

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	2026-05-18T02:36:04.135481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

494c5f14f0b45b0f4982c97327719561c00ba4fd03dbae7df78da0464ae76b5b

Aliases

arxiv: hep-th/9501031 · arxiv_version: hep-th/9501031v1 · doi: 10.48550/arxiv.hep-th/9501031 · pith_short_12: JFGF6FHQWRNQ · pith_short_16: JFGF6FHQWRNQ6SMC · pith_short_8: JFGF6FHQ

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/JFGF6FHQWRNQ6SMCZFZSO4MVMH \
  | 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: 494c5f14f0b45b0f4982c97327719561c00ba4fd03dbae7df78da0464ae76b5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d64f5e17c14d8f4d5d97bd2a065b3524d1b801bc28d3847c7ebdf3bf0ff32add",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-01-10T15:15:08Z",
    "title_canon_sha256": "f4c4d4ce834958e3f385f478fb428acdf72fefd99e6abb1f7e864186fcc5b91d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9501031",
    "kind": "arxiv",
    "version": 1
  }
}