Pith Number

pith:A4H2D4P7

pith:2011:A4H2D4P7FB66K26OBR3PR5FUOH

not attested not anchored not stored refs pending

Study of the variability of Blazars gamma-ray emission

F. Tavecchio, G. Ghisellini, L. Foschini, T. Sbarrato

arxiv:1105.2649 v1 · 2011-05-13 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4H2D4P7FB66K26OBR3PR5FUOH}

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	2026-05-18T02:01:58.680449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

070fa1f1ff287de56bce0c76f8f4b471f1f774871ead69b64b26c8a26869240c

Aliases

arxiv: 1105.2649 · arxiv_version: 1105.2649v1 · doi: 10.48550/arxiv.1105.2649 · pith_short_12: A4H2D4P7FB66 · pith_short_16: A4H2D4P7FB66K26O · pith_short_8: A4H2D4P7

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/A4H2D4P7FB66K26OBR3PR5FUOH \
  | 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: 070fa1f1ff287de56bce0c76f8f4b471f1f774871ead69b64b26c8a26869240c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f1744fb5cd97dc6bc89b7904e79838c6dcaa06d9784f292168161c178244f82",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-05-13T08:22:34Z",
    "title_canon_sha256": "cd7d8af3000d723d361af7d294dc8b6d6596ef709de6b790d47c374a16af9cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2649",
    "kind": "arxiv",
    "version": 1
  }
}