Pith Number

pith:VKKCFAPA

pith:2021:VKKCFAPAY4LSJZHPHMTTSGAJWD

not attested not anchored not stored refs pending

Unveiling the Population of Wandering Black Holes via Electromagnetic Signatures

Angelo Ricarte, Michael Tremmel, Priyamvada Natarajan, Thomas Quinn

arxiv:2107.02132 v1 · 2021-07-05 · 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{VKKCFAPAY4LSJZHPHMTTSGAJWD}

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.

Cited by

1 paper in Pith

Tracing black hole and galaxy growth across environments since cosmic noon

Receipt and verification

First computed	2026-07-05T03:04:55.663920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa942281e0c71724e4ef3b27391809b0e8bafa135dd0356d7b223c600ac0e4d8

Aliases

arxiv: 2107.02132 · arxiv_version: 2107.02132v1 · doi: 10.48550/arxiv.2107.02132 · pith_short_12: VKKCFAPAY4LS · pith_short_16: VKKCFAPAY4LSJZHP · pith_short_8: VKKCFAPA

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/VKKCFAPAY4LSJZHPHMTTSGAJWD \
  | 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: aa942281e0c71724e4ef3b27391809b0e8bafa135dd0356d7b223c600ac0e4d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58342bb1477caf8f3df561d116b56758fb967023c9183298ed9d61af65e087c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-05T16:48:24Z",
    "title_canon_sha256": "e7aaefc89e0a984874f1bf94a06544eb71551397084ab3f88ed0d044b11ae6ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.02132",
    "kind": "arxiv",
    "version": 1
  }
}