Pith Number

pith:HYOTTKZL

pith:2007:HYOTTKZLR3M4JS2SM42HXSB2GZ

not attested not anchored not stored refs pending

Addendum: A Classification of Plane Symmetric Kinematic Self-similar Solutions

M. Sharif, Sehar Aziz

arxiv:0704.1930 v1 · 2007-04-16 · 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{HYOTTKZLR3M4JS2SM42HXSB2GZ}

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	2026-05-18T04:16:23.436786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e1d39ab2b8ed9c4cb5267347bc83a364f7fbadd92271bf02ea619c3f2c00a4f

Aliases

arxiv: 0704.1930 · arxiv_version: 0704.1930v1 · doi: 10.48550/arxiv.0704.1930 · pith_short_12: HYOTTKZLR3M4 · pith_short_16: HYOTTKZLR3M4JS2S · pith_short_8: HYOTTKZL

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/HYOTTKZLR3M4JS2SM42HXSB2GZ \
  | 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: 3e1d39ab2b8ed9c4cb5267347bc83a364f7fbadd92271bf02ea619c3f2c00a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdb1758f5b9bc6b0626b9cb7f61b32fe30975b164b9ce8649d39d4e85a15fc7e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-04-16T02:27:47Z",
    "title_canon_sha256": "2b07cf88305cb84baff8339ecf726af608e37080794d1133f61fa21a7d8d76f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1930",
    "kind": "arxiv",
    "version": 1
  }
}