Pith Number

pith:YBIUL25S

pith:2012:YBIUL25SNZL6HVETCS3KP3SW2E

not attested not anchored not stored refs pending

Rebirth of X-ray Emission from the Born-Again Planetary Nebula A 30

D. Schoenberner, H. Todt, J. A. Toal\'a, L. Oskinova, M. A. Guerrero, M. Steffen, N. Ruiz, R. A. Gruendl, W. P. Blair, W.-R. Hamann, Y.-H. Chu

arxiv:1202.4463 v2 · 2012-02-20 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBIUL25SNZL6HVETCS3KP3SW2E}

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	2026-05-18T03:37:05.665265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c05145ebb26e57e3d49314b6a7ee56d118033c48ee5f54aa8c05feb5c4c48350

Aliases

arxiv: 1202.4463 · arxiv_version: 1202.4463v2 · doi: 10.48550/arxiv.1202.4463 · pith_short_12: YBIUL25SNZL6 · pith_short_16: YBIUL25SNZL6HVET · pith_short_8: YBIUL25S

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/YBIUL25SNZL6HVETCS3KP3SW2E \
  | 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: c05145ebb26e57e3d49314b6a7ee56d118033c48ee5f54aa8c05feb5c4c48350

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4781e7484f38546d978b734e26f6467e1ba540601da031e687a5b339a89efe83",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-20T21:03:34Z",
    "title_canon_sha256": "a686f7beca611a19a6805df49a868111b0774b3430607ad7338b847d68388083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4463",
    "kind": "arxiv",
    "version": 2
  }
}