Pith Number

pith:CCROLR2B

pith:2007:CCROLR2BISS7ZBJNI7NUZCOY4E

not attested not anchored not stored refs pending

Serendipitous Chandra X-ray Detection of a Hot Bubble within the Planetary Nebula NGC 5315

Bruce Balick, Joel Kastner, Jr., Orsola De Marco, Rodolfo Montez

arxiv:0709.4139 v1 · 2007-09-26 · 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{CCROLR2BISS7ZBJNI7NUZCOY4E}

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	2026-05-18T03:48:11.900105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10a2e5c74144a5fc852d47db4c89d8e10daee4483245ce4f44511359ca67888d

Aliases

arxiv: 0709.4139 · arxiv_version: 0709.4139v1 · doi: 10.48550/arxiv.0709.4139 · pith_short_12: CCROLR2BISS7 · pith_short_16: CCROLR2BISS7ZBJN · pith_short_8: CCROLR2B

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/CCROLR2BISS7ZBJNI7NUZCOY4E \
  | 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: 10a2e5c74144a5fc852d47db4c89d8e10daee4483245ce4f44511359ca67888d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea2499b159e2972c8bba47ae7757f22de143a34965a4890fd516452cdce6a862",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-26T12:23:58Z",
    "title_canon_sha256": "1a6578a176964d11e9398acb24ac2a9ce2b6825a058c01f58794da547a19c2b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.4139",
    "kind": "arxiv",
    "version": 1
  }
}