Pith Number

pith:52RYQ6QB

pith:1996:52RYQ6QB644OLVU3GN7EMDTVXB

not attested not anchored not stored refs pending

Comment on "Comparison of approaches to classical signature change"

Sean A. Hayward

arxiv:gr-qc/9606044 v1 · 1996-06-17 · 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{52RYQ6QB644OLVU3GN7EMDTVXB}

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	2026-05-18T01:06:44.650464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea3887a01f738e5d69b337e460e75b86a2dfefdc1afd913c5c697ca063d0d24

Aliases

arxiv: gr-qc/9606044 · arxiv_version: gr-qc/9606044v1 · doi: 10.48550/arxiv.gr-qc/9606044 · pith_short_12: 52RYQ6QB644O · pith_short_16: 52RYQ6QB644OLVU3 · pith_short_8: 52RYQ6QB

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/52RYQ6QB644OLVU3GN7EMDTVXB \
  | 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: eea3887a01f738e5d69b337e460e75b86a2dfefdc1afd913c5c697ca063d0d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5029f6253cf1cba151d937ce2ebff49e53e3ec61ca1d4073530c6e7e49b84b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-06-17T07:55:46Z",
    "title_canon_sha256": "513a8e0673a41a5187dd12ddd483d101d7c80b4aac1fd25df97e5828b5967cd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9606044",
    "kind": "arxiv",
    "version": 1
  }
}