Pith Number

pith:CEMCAFNR

pith:2019:CEMCAFNRBSCQSNFDB3ZEXZTAAO

not attested not anchored not stored refs pending

A new sample of X-ray selected Swift/SDSS faint blazars and blazar candidates

Bernardo Fraga, Paolo Giommi, Sara Turriziani

arxiv:1908.05215 v1 · 2019-08-13 · 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{CEMCAFNRBSCQSNFDB3ZEXZTAAO}

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	2026-07-05T00:02:02.686487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11182015b10c850934a30ef24be6600398faf0eff7faed745b4fcd8352ebbac4

Aliases

arxiv: 1908.05215 · arxiv_version: 1908.05215v1 · doi: 10.48550/arxiv.1908.05215 · pith_short_12: CEMCAFNRBSCQ · pith_short_16: CEMCAFNRBSCQSNFD · pith_short_8: CEMCAFNR

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/CEMCAFNRBSCQSNFDB3ZEXZTAAO \
  | 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: 11182015b10c850934a30ef24be6600398faf0eff7faed745b4fcd8352ebbac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c118243fba2124cf6758cd2adf6cb78951dcdca9e27c52cc7569963ce9ae7a7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-13T11:46:14Z",
    "title_canon_sha256": "28bd425d9ea3d9ea8d5220b9eb336a018461fb9eb3b8c5bd2b4a51e90b1fb8a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05215",
    "kind": "arxiv",
    "version": 1
  }
}