Pith Number

pith:3UCO726G

pith:2013:3UCO726GQOQ745D3VQYQZ2FEFA

not attested not anchored not stored refs pending

Deep optical observations of the gamma-ray pulsar PSR J0007+7303 in the CTA 1 supernova remnant

A. Caliandro (CSIC-IEEC), A. de Luca (INAF-IASF Milano, A. Shearer, D. F. Torres, D. Hadasch, INFN), Kepler Institute of Astronomy, MSSL/UCL, National University of Ireland), N. Rea (CSIC-IEEC), R. P. Mignani (INAF-IASF Milano, S. Collins (Centre for Astronomy, University of Zielona Gora)

arxiv:1301.0245 v1 · 2013-01-02 · 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{3UCO726GQOQ745D3VQYQZ2FEFA}

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	2026-05-18T01:52:22.251559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd04efebc683a1fe747bac310ce8a4280b9065a13e1e7aab41bdc1d8502b21ea

Aliases

arxiv: 1301.0245 · arxiv_version: 1301.0245v1 · doi: 10.48550/arxiv.1301.0245 · pith_short_12: 3UCO726GQOQ7 · pith_short_16: 3UCO726GQOQ745D3 · pith_short_8: 3UCO726G

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/3UCO726GQOQ745D3VQYQZ2FEFA \
  | 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: dd04efebc683a1fe747bac310ce8a4280b9065a13e1e7aab41bdc1d8502b21ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1d5dc2204c89397f02f4e1cd6b32493185dc4c5fd0ac982acbf33828c029dea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-02T15:21:59Z",
    "title_canon_sha256": "0152546bdec0bc9bdf1f49370955e4e6b631b3eb2d4be68c2a61a73b45bced70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0245",
    "kind": "arxiv",
    "version": 1
  }
}