Pith Number

pith:PPMIRTQN

pith:2011:PPMIRTQNFIJIVCJRVNRQLO3A6I

not attested not anchored not stored refs pending

Radio observations of the first three-month Fermi-AGN at 4.8 GHz

((1) Xinjiang Astronomical Observatory, 2), (2) Graduate University of CAS, (3) MPIfR, (4) Shanghai Observatory, Anton Zensus (3), CAS, CAS), Hua-Gang Song (1, Jun Liu (1), Lars Fuhrmann (3), Nicola Marchili (3), Tao An (4), Thomas P. Krichbaum (3), Xiang Liu (1), Zhen Ding (1)

arxiv:1110.1794 v1 · 2011-10-09 · astro-ph.CO · hep-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{PPMIRTQNFIJIVCJRVNRQLO3A6I}

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	2026-05-18T02:00:16.034568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd888ce0d2a128a8931ab6305bb60f21af25bfd694bf716e3c2f4195ac00a88

Aliases

arxiv: 1110.1794 · arxiv_version: 1110.1794v1 · doi: 10.48550/arxiv.1110.1794 · pith_short_12: PPMIRTQNFIJI · pith_short_16: PPMIRTQNFIJIVCJR · pith_short_8: PPMIRTQN

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/PPMIRTQNFIJIVCJRVNRQLO3A6I \
  | 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: 7bd888ce0d2a128a8931ab6305bb60f21af25bfd694bf716e3c2f4195ac00a88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66fac4194268a957290856c9cf5a98fcedfda79eac0fa93b561ec602ae1d1bdb",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-09T06:02:19Z",
    "title_canon_sha256": "f7e2a7a2f0a65d24b58023c811cf329866d6862b144851e2385fe249f40bab79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1794",
    "kind": "arxiv",
    "version": 1
  }
}