Pith Number

pith:PO7FAP6F

pith:2007:PO7FAP6F2SSX2RWJQ5T7DVHBOH

not attested not anchored not stored refs pending

Interaction of Supernova Ejecta with Nearby Protoplanetary Disks

J. J. Hester, N. Ouellette, S. J. Desch

arxiv:0704.1652 v1 · 2007-04-12 · 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{PO7FAP6F2SSX2RWJQ5T7DVHBOH}

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	2026-07-04T15:44:13.761422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bbe503fc5d4a57d46c98767f1d4e171d14201164c66eee90d5404ab583119f9

Aliases

arxiv: 0704.1652 · arxiv_version: 0704.1652v1 · doi: 10.48550/arxiv.0704.1652 · pith_short_12: PO7FAP6F2SSX · pith_short_16: PO7FAP6F2SSX2RWJ · pith_short_8: PO7FAP6F

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/PO7FAP6F2SSX2RWJQ5T7DVHBOH \
  | 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: 7bbe503fc5d4a57d46c98767f1d4e171d14201164c66eee90d5404ab583119f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf54f9fcc8196490e31c58622ab00198e272a9e584570af0817c7fe23398efa5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-12T19:48:42Z",
    "title_canon_sha256": "44be01719acef8966c2b04c268851e710b2c3d36bbe70ffcf61d37610f7baaa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1652",
    "kind": "arxiv",
    "version": 1
  }
}