Pith Number

pith:Y5BB6RJH

pith:2021:Y5BB6RJHFWWCIBSJYMP2FBITJ6

not attested not anchored not stored refs pending

J2102+6015: a young radio source at z = 4.575

Ailing Wang, Alexey Melnikov, Fengchun Shu, M\'at\'e Krezinger, Oleg Titov, Pablo de Vicente, S\'andor Frey, Tao An, Xiaolong Yang, Yingkang Zhang

arxiv:2108.02142 v1 · 2021-08-04 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5BB6RJHFWWCIBSJYMP2FBITJ6}

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	2026-07-05T03:06:34.763402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7421f45272dac240649c31fa285134f8ae3a968665afe8282b428807cab8dba

Aliases

arxiv: 2108.02142 · arxiv_version: 2108.02142v1 · doi: 10.48550/arxiv.2108.02142 · pith_short_12: Y5BB6RJHFWWC · pith_short_16: Y5BB6RJHFWWCIBSJ · pith_short_8: Y5BB6RJH

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/Y5BB6RJHFWWCIBSJYMP2FBITJ6 \
  | 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: c7421f45272dac240649c31fa285134f8ae3a968665afe8282b428807cab8dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d798e6cd8d5d3d4c2b26d558b9bc4fb992fd46e3f2539d096406a6e0a86c7e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-04T16:14:45Z",
    "title_canon_sha256": "0684437730054e1f40417bb4e4ab5c9a7934e9e8af6bd9b8df67ab858b9796f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02142",
    "kind": "arxiv",
    "version": 1
  }
}