Pith Number

pith:I2ANS2LJ

pith:2020:I2ANS2LJI3BFQ5U3C2RQX7HB6B

not attested not anchored not stored refs pending

The hyperluminous, dust-obscured quasar W2246-0526 at z=4.6: detection of parsec-scale radio activity

Fu-Guo Xie (SHAO), Jun Yang (CTH), Kirsten K. Knudsen (CTH), Lulu Fan (USTC & SDU), Tao An (SHAO), Wen Chen (YNAO), Yunkun Han (YNAO)

arxiv:2011.15063 v1 · 2020-11-30 · 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{I2ANS2LJI3BFQ5U3C2RQX7HB6B}

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	2026-07-05T02:04:48.343332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4680d9696946c258769b16a30bfce1f07e3829eff2a26fef655ea291ba15d01a

Aliases

arxiv: 2011.15063 · arxiv_version: 2011.15063v1 · doi: 10.48550/arxiv.2011.15063 · pith_short_12: I2ANS2LJI3BF · pith_short_16: I2ANS2LJI3BFQ5U3 · pith_short_8: I2ANS2LJ

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/I2ANS2LJI3BFQ5U3C2RQX7HB6B \
  | 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: 4680d9696946c258769b16a30bfce1f07e3829eff2a26fef655ea291ba15d01a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91abed1bbc11b03f576344b26f13f81fb76088166fd669caccefa3da41902fc9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-30T18:00:11Z",
    "title_canon_sha256": "9fb93b9a8ad88c7b1c311eb7ab2cf99673b6d81e9c803b7a5009e249183bcc9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.15063",
    "kind": "arxiv",
    "version": 1
  }
}