Pith Number

pith:7BZIAL3W

pith:1999:7BZIAL3WUV4G7A3Q7RYCINYXSU

not attested not anchored not stored refs pending

Smearing of chaos in sandwich pp-waves

J. Podolsky, K. Vesely

arxiv:gr-qc/9909012 v1 · 1999-09-03 · 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{7BZIAL3WUV4G7A3Q7RYCINYXSU}

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	2026-07-04T14:26:23.846507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f872802f76a5786f8370fc702437179534593cd84398ad2de317d17c5730f8bd

Aliases

arxiv: gr-qc/9909012 · arxiv_version: gr-qc/9909012v1 · doi: 10.48550/arxiv.gr-qc/9909012 · pith_short_12: 7BZIAL3WUV4G · pith_short_16: 7BZIAL3WUV4G7A3Q · pith_short_8: 7BZIAL3W

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/7BZIAL3WUV4G7A3Q7RYCINYXSU \
  | 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: f872802f76a5786f8370fc702437179534593cd84398ad2de317d17c5730f8bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca40336070b721a6d826b79deab5e1a0db254adebc5dd106504eb9c706853d32",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-09-03T14:39:26Z",
    "title_canon_sha256": "9febb2fb35a6d47f927dc5a43a2206bfb8bc3961b334a6a38880cf22512d72f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9909012",
    "kind": "arxiv",
    "version": 1
  }
}