Pith Number

pith:IYXS6CYC

pith:1996:IYXS6CYCCZZV4ISCKZPXR5PMPS

not attested not anchored not stored refs pending

1+1 Sector of 3+1 Gravity

Ted Jacobson

arxiv:gr-qc/9604003 v1 · 1996-04-01 · gr-qc · 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{IYXS6CYCCZZV4ISCKZPXR5PMPS}

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	2026-07-04T17:25:37.751792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

462f2f0b0216735e2242565f78f5ec7c9844fac3ddd6a24f77491b9996f98a83

Aliases

arxiv: gr-qc/9604003 · arxiv_version: gr-qc/9604003v1 · doi: 10.48550/arxiv.gr-qc/9604003 · pith_short_12: IYXS6CYCCZZV · pith_short_16: IYXS6CYCCZZV4ISC · pith_short_8: IYXS6CYC

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/IYXS6CYCCZZV4ISCKZPXR5PMPS \
  | 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: 462f2f0b0216735e2242565f78f5ec7c9844fac3ddd6a24f77491b9996f98a83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "047b79b956024d937a33b82919fe5b889bd860774d2dc3ce801dadaeae2a8fa6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-04-01T15:57:45Z",
    "title_canon_sha256": "5a86e9eacd39a39059e00553e37b8e694940df4bd3a9d3c6a828e7403debaf73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9604003",
    "kind": "arxiv",
    "version": 1
  }
}