Pith Number

pith:U4QBI63M

pith:2011:U4QBI63MPULAO7AN35R47QEMO2

not attested not anchored not stored refs pending

VLT observations of Fermi pulsars

A. de Luca (IUSS, A. Shearer (NUI, Galway), IASF-INAF, INFN), Institute of Astronomy, M. Marelli (IASF-INAF, P. Moran, R. P. Mignani (UCL-MSSL, S. Collins (NUI, University of Insubria), University of Zielona Gora)

arxiv:1110.5273 v1 · 2011-10-24 · 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{U4QBI63MPULAO7AN35R47QEMO2}

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	2026-05-18T04:10:24.287558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a720147b6c7d16077c0ddf63cfc08c768eacb80aefe5a6ecc1f395ede911e21b

Aliases

arxiv: 1110.5273 · arxiv_version: 1110.5273v1 · doi: 10.48550/arxiv.1110.5273 · pith_short_12: U4QBI63MPULA · pith_short_16: U4QBI63MPULAO7AN · pith_short_8: U4QBI63M

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/U4QBI63MPULAO7AN35R47QEMO2 \
  | 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: a720147b6c7d16077c0ddf63cfc08c768eacb80aefe5a6ecc1f395ede911e21b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "169e0445c5241c7e95435bd02743fbb51f92e73fbfb45542ddcb1928a6e34ef0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-24T16:19:20Z",
    "title_canon_sha256": "c09bd0a8b543b92b57bb3862c076113cc4497b52344c242405021a0aa0b5dd7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5273",
    "kind": "arxiv",
    "version": 1
  }
}