Pith Number

pith:6YALP45W

pith:1994:6YALP45WVLPS42PCB5CYHEMHPR

not attested not anchored not stored refs pending

A Hierarchy of Superstrings

Fiorenzo Bastianelli, Jens Lyng Petersen, Nobuyoshi Ohta

arxiv:hep-th/9403150 v1 · 1994-03-24 · 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{6YALP45WVLPS42PCB5CYHEMHPR}

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	2026-07-04T15:57:43.126865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f600b7f3b6aadf2e69e20f458391877c51a8022f09b586229d7e7ab111068aaf

Aliases

arxiv: hep-th/9403150 · arxiv_version: hep-th/9403150v1 · doi: 10.48550/arxiv.hep-th/9403150 · pith_short_12: 6YALP45WVLPS · pith_short_16: 6YALP45WVLPS42PC · pith_short_8: 6YALP45W

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/6YALP45WVLPS42PCB5CYHEMHPR \
  | 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: f600b7f3b6aadf2e69e20f458391877c51a8022f09b586229d7e7ab111068aaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd55fd35b885aa694dca4a2fbeb6fcb829292af1a0c8e4ecbc40f02e6bf76f24",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-03-24T13:47:23Z",
    "title_canon_sha256": "5120631b9ff458eafb4a00d2f83030838e0a8ba8e8f120b477704d5f16750c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9403150",
    "kind": "arxiv",
    "version": 1
  }
}