Pith Number

pith:BBLGEIQP

pith:2007:BBLGEIQPMAFQYHUYMEAELA4OXA

not attested not anchored not stored refs pending

Ultra-relativistic geometrical shock dynamics and vorticity

Andrew I. MacFadyen, Jeremy Goodman

arxiv:0706.1818 v1 · 2007-06-13 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBLGEIQPMAFQYHUYMEAELA4OXA}

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	2026-05-18T02:16:30.183217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

085662220f600b0c1e98610045838eb80585a209e1e71bbd771b3bdec2317fde

Aliases

arxiv: 0706.1818 · arxiv_version: 0706.1818v1 · doi: 10.48550/arxiv.0706.1818 · pith_short_12: BBLGEIQPMAFQ · pith_short_16: BBLGEIQPMAFQYHUY · pith_short_8: BBLGEIQP

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/BBLGEIQPMAFQYHUYMEAELA4OXA \
  | 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: 085662220f600b0c1e98610045838eb80585a209e1e71bbd771b3bdec2317fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8b4f934d49bb732acfaf1f27068a01958a3de4ff7029cae99e94433eddd2d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-13T03:28:55Z",
    "title_canon_sha256": "960e6e8bfb855af547cf106b31d1d04985c3b1e8a4f9da4e9da79bfea884f12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.1818",
    "kind": "arxiv",
    "version": 1
  }
}