Pith Number

pith:U572I3WT

pith:2007:U572I3WTVRDOORM7RCYKKWXFE3

not attested not anchored not stored refs pending

Gamma-ray blazars: the combined AGILE and MAGIC views

A.DeAngelis, F.Longo, M.Persic, M.Tavani

arxiv:0709.1881 v1 · 2007-09-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U572I3WTVRDOORM7RCYKKWXFE3}

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	2026-07-04T15:04:12.425488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77fa46ed3ac46e7459f88b0a55ae526cafba2a01179a3c98e9c574e5fe7a39f

Aliases

arxiv: 0709.1881 · arxiv_version: 0709.1881v1 · doi: 10.48550/arxiv.0709.1881 · pith_short_12: U572I3WTVRDO · pith_short_16: U572I3WTVRDOORM7 · pith_short_8: U572I3WT

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/U572I3WTVRDOORM7RCYKKWXFE3 \
  | 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: a77fa46ed3ac46e7459f88b0a55ae526cafba2a01179a3c98e9c574e5fe7a39f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b2ab6956adce01b5a175da440c4b93040c1799070158e083e869e51d06bdc2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-12T15:24:13Z",
    "title_canon_sha256": "8b27b0f1b58b2d5426a7f1b7c9172124ee5e11d0847c018261e2767964f7b8ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1881",
    "kind": "arxiv",
    "version": 1
  }
}