Pith Number

pith:J7TPK67B

pith:1996:J7TPK67BNPY7YT3ADPIDEQQPP5

not attested not anchored not stored refs pending

Super-Poincare Invariant Koba-Nielsen Formulas for the Superstring

Nathan Berkovits

arxiv:hep-th/9604120 v1 · 1996-04-19 · 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{J7TPK67BNPY7YT3ADPIDEQQPP5}

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	2026-07-04T16:02:07.455849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe6f57be16bf1fc4f601bd032420f7f5f0a17cc35c10057e9ed151419d1cd1c

Aliases

arxiv: hep-th/9604120 · arxiv_version: hep-th/9604120v1 · doi: 10.48550/arxiv.hep-th/9604120 · pith_short_12: J7TPK67BNPY7 · pith_short_16: J7TPK67BNPY7YT3A · pith_short_8: J7TPK67B

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/J7TPK67BNPY7YT3ADPIDEQQPP5 \
  | 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: 4fe6f57be16bf1fc4f601bd032420f7f5f0a17cc35c10057e9ed151419d1cd1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7af6167b9c8f2c253a20dd722076535d0b3412aaf4c39e0b96795271b933cb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1996-04-19T23:33:21Z",
    "title_canon_sha256": "f5d43a39a16995c715a39cefa0928dce3002e9d5142c7c64bf71a394b6d63cdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9604120",
    "kind": "arxiv",
    "version": 1
  }
}