Pith Number

pith:YAVIXJRN

pith:2009:YAVIXJRN7NYZM3S5SFM6SWULTN

not attested not anchored not stored refs pending

The Fermi blazars divide

F. Tavecchio (INAF-Osserv. Astron. di Brera, G. Ghisellini, Italy), L. Maraschi

arxiv:0903.2043 v2 · 2009-03-11 · astro-ph.CO · astro-ph.HE

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

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.

Cited by

1 paper in Pith

Study of Flat Spectrum Radio Quasars and BL Lacertae Objects as Sources of Diffusive Ultra High-Energy Cosmic Rays

Receipt and verification

First computed	2026-05-18T02:14:35.847252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c02a8ba62dfb71966e5d9159e95a8b9b41331d35f71e05fed03a2fa06991b45e

Aliases

arxiv: 0903.2043 · arxiv_version: 0903.2043v2 · doi: 10.48550/arxiv.0903.2043 · pith_short_12: YAVIXJRN7NYZ · pith_short_16: YAVIXJRN7NYZM3S5 · pith_short_8: YAVIXJRN

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/YAVIXJRN7NYZM3S5SFM6SWULTN \
  | 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: c02a8ba62dfb71966e5d9159e95a8b9b41331d35f71e05fed03a2fa06991b45e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31c1b430d383576153ef7e5f40a824b7ccd1e317b6f7970274d54123f633aa83",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-11T20:31:38Z",
    "title_canon_sha256": "8e1670c118efbf10a65010de168addabae37d6613c87ae8a9e68f65f0754c26b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2043",
    "kind": "arxiv",
    "version": 2
  }
}