Pith Number

pith:FZOI7FIC

pith:2014:FZOI7FICPHQE6CLQQKXPSG4V52

not attested not anchored not stored refs pending

XMM-Newton observation of the Galactic supernova remnant W51C (G49.1-0.1)

Astrophysics, Cornelia Heinitz, Gabriele Warth, Gerd Puehlhofer (Institute for Astronomy, Germany), Manami Sasaki, University of Tuebingen

arxiv:1401.8143 v1 · 2014-01-31 · 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{FZOI7FICPHQE6CLQQKXPSG4V52}

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	2026-05-18T02:57:16.489840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e5c8f950279e04f097082aef91b95ee98415318c59b5c026b7b1065be3451bd

Aliases

arxiv: 1401.8143 · arxiv_version: 1401.8143v1 · doi: 10.48550/arxiv.1401.8143 · pith_short_12: FZOI7FICPHQE · pith_short_16: FZOI7FICPHQE6CLQ · pith_short_8: FZOI7FIC

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/FZOI7FICPHQE6CLQQKXPSG4V52 \
  | 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: 2e5c8f950279e04f097082aef91b95ee98415318c59b5c026b7b1065be3451bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d9d700a61180a85c7d37f3f752691c469dde7e2c0a0db91d32e2dfce34d265d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-01-31T11:54:47Z",
    "title_canon_sha256": "8ba5cbbd826ee68d9b2a4eeac736321e35eca8970931e5e2a5fc3f55e85d73d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8143",
    "kind": "arxiv",
    "version": 1
  }
}