Pith Number

pith:3PFIZFPZ

pith:2015:3PFIZFPZJHAL3UXERKQT74AX75

not attested not anchored not stored refs pending

Radio faint AGN: a tale of two populations

(2) NRAO, (3) Stevenson University, (4) INAF, Charlottesville, Firenze), K. I. Kellermann (2), M. Bonzini (1), MD, N. Miller (3), P. Padovani (1), P. Tozzi (4) ((1) ESO, VA, V. Mainieri (1)

arxiv:1506.06554 v1 · 2015-06-22 · astro-ph.GA · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PFIZFPZJHAL3UXERKQT74AX75}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:35:46.646975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbca8c95f949c0bdd2e48aa13ff017ff4aea87696940857843b7c88fc5130b33

Aliases

arxiv: 1506.06554 · arxiv_version: 1506.06554v1 · doi: 10.48550/arxiv.1506.06554 · pith_short_12: 3PFIZFPZJHAL · pith_short_16: 3PFIZFPZJHAL3UXE · pith_short_8: 3PFIZFPZ

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/3PFIZFPZJHAL3UXERKQT74AX75 \
  | 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: dbca8c95f949c0bdd2e48aa13ff017ff4aea87696940857843b7c88fc5130b33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b831e23eaec704ed113e4afe487c8caadc093ad1050029db6f82ed6f7e89ad76",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-22T11:18:22Z",
    "title_canon_sha256": "cb380992fe24f68896df63c3cec59210d126abe423509977f2a40af82567cc95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06554",
    "kind": "arxiv",
    "version": 1
  }
}