Pith Number

pith:A6I5PHAL

pith:2013:A6I5PHALUX5ESNWO5WYMGTPSEZ

not attested not anchored not stored refs pending

Fermi Rules Out the IC/CMB Model for the Large Scale Jet X-ray Emission of 3C 273

Eileen T. Meyer, Markos Georganopoulos

arxiv:1307.8421 v2 · 2013-07-31 · 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{A6I5PHALUX5ESNWO5WYMGTPSEZ}

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	2026-05-18T01:48:32.180489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0791d79c0ba5fa4936ceedb0c34df22663d5052495ec8410c1a61380ae64bfb8

Aliases

arxiv: 1307.8421 · arxiv_version: 1307.8421v2 · doi: 10.48550/arxiv.1307.8421 · pith_short_12: A6I5PHALUX5E · pith_short_16: A6I5PHALUX5ESNWO · pith_short_8: A6I5PHAL

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/A6I5PHALUX5ESNWO5WYMGTPSEZ \
  | 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: 0791d79c0ba5fa4936ceedb0c34df22663d5052495ec8410c1a61380ae64bfb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8572743ac4b50f5da4831e31e19d94ea1dd33fd7790c996cc069dae765fb4ee6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-31T18:47:12Z",
    "title_canon_sha256": "993814fd7e83cf0c769c63405cb9f86807e185e636cdcb7d8d99ecc145b6065b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8421",
    "kind": "arxiv",
    "version": 2
  }
}