Pith Number

pith:5DQLO5OX

pith:1998:5DQLO5OXJTMT3TNR3B5I4SWP7M

not attested not anchored not stored refs pending

From Superstrings to M Theory

John H. Schwarz

arxiv:gr-qc/9812029 v1 · 1998-12-08 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DQLO5OXJTMT3TNR3B5I4SWP7M}

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	2026-07-04T16:08:53.809690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e0b775d74cd93dcdb1d87a8e4acffb2380a55077a4caa00fed7b8b22ed776a

Aliases

arxiv: gr-qc/9812029 · arxiv_version: gr-qc/9812029v1 · doi: 10.48550/arxiv.gr-qc/9812029 · pith_short_12: 5DQLO5OXJTMT · pith_short_16: 5DQLO5OXJTMT3TNR · pith_short_8: 5DQLO5OX

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/5DQLO5OXJTMT3TNR3B5I4SWP7M \
  | 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: e8e0b775d74cd93dcdb1d87a8e4acffb2380a55077a4caa00fed7b8b22ed776a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a45c5d89147d14335c732303b078ee2a1698ecec80b70bf57805a68e25890ba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-12-08T19:35:20Z",
    "title_canon_sha256": "9a2cd3297966811eb87afb3284d73820405fde94383e91fe894ef731a2215ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9812029",
    "kind": "arxiv",
    "version": 1
  }
}