Pith Number

pith:G2HNYBPU

pith:2021:G2HNYBPU7RZTASCS2C36ZBT7JV

not attested not anchored not stored refs pending

Investigating the Accretion Nature of Binary Supermassive Black Hole Candidate SDSS J025214.67-002813.7

Adi Foord, Fangzheng Shi, Kayhan G\"ultekin, Kevin Whitley, Xin Liu, Yu-Ching Chen

arxiv:2110.02982 v1 · 2021-10-06 · 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{G2HNYBPU7RZTASCS2C36ZBT7JV}

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	2026-07-05T04:02:57.368244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368edc05f4fc73304852d0b7ec867f4d5c4b3679c10c5849bd06b6428d51f823

Aliases

arxiv: 2110.02982 · arxiv_version: 2110.02982v1 · doi: 10.48550/arxiv.2110.02982 · pith_short_12: G2HNYBPU7RZT · pith_short_16: G2HNYBPU7RZTASCS · pith_short_8: G2HNYBPU

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/G2HNYBPU7RZTASCS2C36ZBT7JV \
  | 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: 368edc05f4fc73304852d0b7ec867f4d5c4b3679c10c5849bd06b6428d51f823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "023e50871a772e8dfd156287f05c7cc19cda973b4f188d1eb2d22f17dd5c35ac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-06T18:00:18Z",
    "title_canon_sha256": "003ec71b3b078c239bae428be7281fe1326ca6d31e8b65a23db3974116ba2b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02982",
    "kind": "arxiv",
    "version": 1
  }
}