Pith Number

pith:IRTS2MIQ

pith:1998:IRTS2MIQGJE3TV3S7J6GFD7WVK

not attested not anchored not stored refs pending

From Superstrings to M Theory

John H. Schwarz

arxiv:hep-th/9807135 v3 · 1998-07-18 · 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{IRTS2MIQGJE3TV3S7J6GFD7WVK}

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	2026-05-18T04:24:15.554613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44672d31103249b9d772fa7c628ff6aa819548efb3e43fd2e31ef2cbe8bfc6c0

Aliases

arxiv: hep-th/9807135 · arxiv_version: hep-th/9807135v3 · doi: 10.48550/arxiv.hep-th/9807135 · pith_short_12: IRTS2MIQGJE3 · pith_short_16: IRTS2MIQGJE3TV3S · pith_short_8: IRTS2MIQ

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/IRTS2MIQGJE3TV3S7J6GFD7WVK \
  | 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: 44672d31103249b9d772fa7c628ff6aa819548efb3e43fd2e31ef2cbe8bfc6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57579f1095b095d0d144a965fb9b0931758e79f5cfed90f75ee748a08e3e989a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-07-18T22:07:33Z",
    "title_canon_sha256": "9a2cd3297966811eb87afb3284d73820405fde94383e91fe894ef731a2215ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9807135",
    "kind": "arxiv",
    "version": 3
  }
}