Pith Number

pith:QCOS2X24

pith:2012:QCOS2X24VJ2TBJ2IVRNLGXGW76

not attested not anchored not stored refs pending

High redshift Fermi blazars observed by GROND and Swift

(2) Univ. of Milano Bicocca, (3) Max Planck Inst. fur extrat. Phys. Garching, 4) ((1) INAF-Brera Observ., (4) Univ. Insubria, A. Rau (3), Como), F. Tavecchio (1), G. Ghirlanda (1), G. Ghisellini (1), G. Tagliaferri (1), J. Greiner (3), L. Foschini (1), M. Nardini (2), P. Schady (3), T. Sbarrato (1

arxiv:1209.2514 v1 · 2012-09-12 · astro-ph.CO · 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{QCOS2X24VJ2TBJ2IVRNLGXGW76}

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	2026-05-18T01:54:30.114751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809d2d5f5caa7530a748ac5ab35cd6ff84a4f1524c8cde7dd94575679294bac4

Aliases

arxiv: 1209.2514 · arxiv_version: 1209.2514v1 · doi: 10.48550/arxiv.1209.2514 · pith_short_12: QCOS2X24VJ2T · pith_short_16: QCOS2X24VJ2TBJ2I · pith_short_8: QCOS2X24

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/QCOS2X24VJ2TBJ2IVRNLGXGW76 \
  | 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: 809d2d5f5caa7530a748ac5ab35cd6ff84a4f1524c8cde7dd94575679294bac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74088d9b242213d10fcf6c266f92d2e82db2b71440bde08cab52838b8a317c2a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-12T07:59:38Z",
    "title_canon_sha256": "c9b56dcd3ed1f59a169c5d1648157f7a8fcf620374f4040328d759f9d26ebea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2514",
    "kind": "arxiv",
    "version": 1
  }
}