Pith Number

pith:5M7JOQN3

pith:2019:5M7JOQN3YKI3XIFAM6FIZFOOYR

not attested not anchored not stored refs pending

GMRT observations of extragalactic radio sources with steeply inverted spectra

Gopal-Krishna, Mukul Mhaskey, Pratik Dabhade, Sameer Salunkhe, S.K. Sirothia, Surajit Paul

arxiv:1901.11217 v1 · 2019-01-31 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5M7JOQN3YKI3XIFAM6FIZFOOYR}

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	2026-05-17T23:54:15.058832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb3e9741bbc291bba0a0678a8c95cec44498e61ce575f182efe712cf523761fd

Aliases

arxiv: 1901.11217 · arxiv_version: 1901.11217v1 · doi: 10.48550/arxiv.1901.11217 · pith_short_12: 5M7JOQN3YKI3 · pith_short_16: 5M7JOQN3YKI3XIFA · pith_short_8: 5M7JOQN3

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/5M7JOQN3YKI3XIFAM6FIZFOOYR \
  | 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: eb3e9741bbc291bba0a0678a8c95cec44498e61ce575f182efe712cf523761fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83e9fe74e87abedcb693d415dcc0a3291e156da3885522073196d8e0409d33a8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-31T05:45:19Z",
    "title_canon_sha256": "9dbdf6b2aede4fe4927c01377725016a1e31c951266c165fe99500c97a66b41e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11217",
    "kind": "arxiv",
    "version": 1
  }
}