Pith Number

pith:I4UDA4D2

pith:1995:I4UDA4D2JR2DB2624PGOMUFII3

not attested not anchored not stored refs pending

Super-Poincare Invariant Superstring Field Theory

Nathan Berkovits

arxiv:hep-th/9503099 v1 · 1995-03-15 · 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{I4UDA4D2JR2DB2624PGOMUFII3}

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	2026-07-04T15:59:20.262575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472830707a4c7430ebdae3cce650a846ffdb0e4443d31ec7727b00ab622c12f6

Aliases

arxiv: hep-th/9503099 · arxiv_version: hep-th/9503099v1 · doi: 10.48550/arxiv.hep-th/9503099 · pith_short_12: I4UDA4D2JR2D · pith_short_16: I4UDA4D2JR2DB262 · pith_short_8: I4UDA4D2

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/I4UDA4D2JR2DB2624PGOMUFII3 \
  | 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: 472830707a4c7430ebdae3cce650a846ffdb0e4443d31ec7727b00ab622c12f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95b42b965ee55ee34db092638ae64e3199abf6b9abb25342e4009eedbe63a7aa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-03-15T16:11:00Z",
    "title_canon_sha256": "9c1e64078d6225b1c95324c1af0e4fb4b76de0e056185d89c8aa75262385a696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9503099",
    "kind": "arxiv",
    "version": 1
  }
}