Pith Number

pith:KPEMGAM6

pith:2010:KPEMGAM6QL4MO6ALG35VBJOIEI

not attested not anchored not stored refs pending

The gamma-ray brightest days of the blazar 3C 454.3

F. Tavecchio, G. Bonnoli, G. Ghirlanda (INAF - Osserv. Astron. di Brera), G. Ghisellini, L. Foschini

arxiv:1003.3476 v2 · 2010-03-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPEMGAM6QL4MO6ALG35VBJOIEI}

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	2026-05-18T02:08:26.161615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53c8c3019e82f8c7780b36fb50a5c822071215958c39fc4988489274b2254e62

Aliases

arxiv: 1003.3476 · arxiv_version: 1003.3476v2 · doi: 10.48550/arxiv.1003.3476 · pith_short_12: KPEMGAM6QL4M · pith_short_16: KPEMGAM6QL4MO6AL · pith_short_8: KPEMGAM6

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/KPEMGAM6QL4MO6ALG35VBJOIEI \
  | 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: 53c8c3019e82f8c7780b36fb50a5c822071215958c39fc4988489274b2254e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f014e980484f41313832d41121a5432701cfe973351f9b7d690896ef6cfbb29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-17T20:59:58Z",
    "title_canon_sha256": "6bc90b2e250f4adbe4d73144ec8257b3800480da567ffd25720365d528405823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3476",
    "kind": "arxiv",
    "version": 2
  }
}