Pith Number

pith:GUU6WO32

pith:2012:GUU6WO325EFG5F24TMAK7GZ46W

not attested not anchored not stored refs pending

Identifying Breaks and Curvature in the Fermi Spectra of Bright Flat Spectrum Radio Quasars

Jonathan Harris, Michael K. Daniel, Paula M. Chadwick

arxiv:1210.6047 v2 · 2012-10-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUU6WO325EFG5F24TMAK7GZ46W}

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	2026-05-18T01:53:44.636990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3529eb3b7ae90a6e975c9b00af9b3cf5b9a1be2583fa54524db69583ebbaa310

Aliases

arxiv: 1210.6047 · arxiv_version: 1210.6047v2 · doi: 10.48550/arxiv.1210.6047 · pith_short_12: GUU6WO325EFG · pith_short_16: GUU6WO325EFG5F24 · pith_short_8: GUU6WO32

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/GUU6WO325EFG5F24TMAK7GZ46W \
  | 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: 3529eb3b7ae90a6e975c9b00af9b3cf5b9a1be2583fa54524db69583ebbaa310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "624f70ad456a15a2234cc4f2a069e1e6f4ba4031c299c23778166c9b124d4d43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-22T20:00:23Z",
    "title_canon_sha256": "8387465f04609697da9687417f3db1ad90973cf0c187520d2393b556055de38e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6047",
    "kind": "arxiv",
    "version": 2
  }
}