Pith Number

pith:SAY7MZGO

pith:2000:SAY7MZGOQK72E7MDME4FQ6CDJ2

not attested not anchored not stored refs pending

Reminiscences of Collaborations with Joel Scherk

John H. Schwarz

arxiv:hep-th/0007117 v1 · 2000-07-14 · 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{SAY7MZGOQK72E7MDME4FQ6CDJ2}

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	2026-07-04T14:31:22.934762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9031f664ce82bfa27d8361385878434ebabd92784a55185a40172226e50c39f9

Aliases

arxiv: hep-th/0007117 · arxiv_version: hep-th/0007117v1 · doi: 10.48550/arxiv.hep-th/0007117 · pith_short_12: SAY7MZGOQK72 · pith_short_16: SAY7MZGOQK72E7MD · pith_short_8: SAY7MZGO

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/SAY7MZGOQK72E7MDME4FQ6CDJ2 \
  | 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: 9031f664ce82bfa27d8361385878434ebabd92784a55185a40172226e50c39f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1944202aa494de7c7895e008a9f9faf19753543a61131facb236c664d8853faa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-07-14T21:44:34Z",
    "title_canon_sha256": "616e94a5bfe9558cf0e1cef92ae2be65f2e7967ba0937086a73604d404b30320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0007117",
    "kind": "arxiv",
    "version": 1
  }
}