Pith Number

pith:TQKAI5JD

pith:2013:TQKAI5JDPCYM3SUBTR2BICBBI3

not attested not anchored not stored refs pending

First X-ray observations of Low-Power Compact Steep Spectrum Sources

A.Labiano, A.Siemiginowska, M.Guainazzi, M.Kunert-Bajraszewska

arxiv:1311.6633 v1 · 2013-11-26 · astro-ph.CO · 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{TQKAI5JDPCYM3SUBTR2BICBBI3}

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	2026-05-18T01:46:06.061568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c

Aliases

arxiv: 1311.6633 · arxiv_version: 1311.6633v1 · doi: 10.48550/arxiv.1311.6633 · pith_short_12: TQKAI5JDPCYM · pith_short_16: TQKAI5JDPCYM3SUB · pith_short_8: TQKAI5JD

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/TQKAI5JDPCYM3SUBTR2BICBBI3 \
  | 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: 9c1404752378b0cdca819c7414082146c81385d0a4626b484856ee15563be15c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864a006c83768be3d6d8193a67acb97ab21f25b611de1758766169f7b51d6d4d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-26T12:04:31Z",
    "title_canon_sha256": "d6ab69f229494b3ba2acd2733d872f46b35a79e4d970d9b682f43e279ea4dad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6633",
    "kind": "arxiv",
    "version": 1
  }
}