Pith Number

pith:S3YQRNOH

pith:2013:S3YQRNOHQYJFZJJIFH3QTTOBNH

not attested not anchored not stored refs pending

XMM-Newton and Chandra observations of G272.2-3.2. Evidence of stellar ejecta in the central region

E. Castro, E. S\'anchez-Ayaso, F. Bocchino, J. A. Combi, J. F. Albacete-Colombo, J. L\'opez-Santiago, J. Mart\'i

arxiv:1301.1507 v2 · 2013-01-08 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S3YQRNOHQYJFZJJIFH3QTTOBNH}

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	2026-05-18T01:52:15.182234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96f108b5c786125ca52829f709cdc169c6c905782045372d237a38b30bce2739

Aliases

arxiv: 1301.1507 · arxiv_version: 1301.1507v2 · doi: 10.48550/arxiv.1301.1507 · pith_short_12: S3YQRNOHQYJF · pith_short_16: S3YQRNOHQYJFZJJI · pith_short_8: S3YQRNOH

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/S3YQRNOHQYJFZJJIFH3QTTOBNH \
  | 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: 96f108b5c786125ca52829f709cdc169c6c905782045372d237a38b30bce2739

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "788bddeacd50aa838f4ec0850c6fdd45ec5087b207bcae776a380c52215aaa1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-08T12:19:08Z",
    "title_canon_sha256": "2b99157be6d4939b13609f7eccf14a5aadb80a80d2a674cea24103bb32134100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1507",
    "kind": "arxiv",
    "version": 2
  }
}