Pith Number

pith:76PWHJMJ

pith:2007:76PWHJMJKDIWOAGMGXPJW2AH3L

not attested not anchored not stored refs pending

Head-On collisions of different initial data

Bernd Bruegmann, Jose Gonzalez, Mark Hannam, Sascha Husa, Ulrich Sperhake

arxiv:0705.2035 v1 · 2007-05-14 · 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{76PWHJMJKDIWOAGMGXPJW2AH3L}

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	2026-05-18T00:59:33.081461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff9f63a58950d16700cc35de9b6807dac6fdbdbc07bef9489c0fd640dd04da4f

Aliases

arxiv: 0705.2035 · arxiv_version: 0705.2035v1 · doi: 10.48550/arxiv.0705.2035 · pith_short_12: 76PWHJMJKDIW · pith_short_16: 76PWHJMJKDIWOAGM · pith_short_8: 76PWHJMJ

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/76PWHJMJKDIWOAGMGXPJW2AH3L \
  | 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: ff9f63a58950d16700cc35de9b6807dac6fdbdbc07bef9489c0fd640dd04da4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63d128659c0d4dce8073b9a46ef5fe12eecd701754180cc3ecdb2df2f8540647",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-05-14T21:35:18Z",
    "title_canon_sha256": "7d59a5747c5694a1788d54d8049d13ad243c6edf23c798a7805c71b84015db12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.2035",
    "kind": "arxiv",
    "version": 1
  }
}