Pith Number

pith:AHYVNODF

pith:2010:AHYVNODFCVY3RPIJD3QHDLI4CB

not attested not anchored not stored refs pending

Discovery of a GeV blazar shining through the Galactic plane

A. Bellini, A. B. Hill, A. Van Etten, C. C. Cheung, C. Knigge, D. Donato, D. Steeghs, F. Civano, G. M. Madejski, J. Vandenbroucke, K. A. Williams, K. Bechtol, L. Fuhrmann, M. Ajello, M. A. P. Torres, M. Bolte, M. Santander-Garc\'ia, M. S. Shaw, R. Buehler, R. W. Romani, S. E. Healey, S. Funk

arxiv:1004.1413 v1 · 2010-04-08 · astro-ph.HE · 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{AHYVNODFCVY3RPIJD3QHDLI4CB}

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	2026-07-04T17:31:49.624935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f156b8651571b8bd091ee071ad1c107d4476db8e383a6e2cffd14dd9f707df

Aliases

arxiv: 1004.1413 · arxiv_version: 1004.1413v1 · doi: 10.48550/arxiv.1004.1413 · pith_short_12: AHYVNODFCVY3 · pith_short_16: AHYVNODFCVY3RPIJ · pith_short_8: AHYVNODF

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/AHYVNODFCVY3RPIJD3QHDLI4CB \
  | 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: 01f156b8651571b8bd091ee071ad1c107d4476db8e383a6e2cffd14dd9f707df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76eb466a9b98a1d107dd8f1eae0157ff87646ec6a09439f627fb93cf51a94458",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-04-08T20:00:24Z",
    "title_canon_sha256": "17559f8c06b20704de7bd37cf89519d412edc4d45cd959d4ce5f913a3ea7f2a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1413",
    "kind": "arxiv",
    "version": 1
  }
}