Pith Number

pith:3T35VVZR

pith:2022:3T35VVZR2Z65BTSYEA7QAXRD62

not attested not anchored not stored refs pending

Wandering Black Hole Candidates in Dwarf Galaxies at VLBI Resolution

Alexander J. van der Horst, Amy E. Reines, Andrew J. Sargent, Jenny E. Greene, Jeremy Darling, Megan C. Johnson, Nathan J. Secrest, Phil J. Cigan

arxiv:2205.16006 v1 · 2022-05-31 · 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{3T35VVZR2Z65BTSYEA7QAXRD62}

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	2026-07-05T04:41:43.124510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcf7dad731d67dd0ce58203f005e23f68c9f5a3e4adb8522bab527721f85ca32

Aliases

arxiv: 2205.16006 · arxiv_version: 2205.16006v1 · doi: 10.48550/arxiv.2205.16006 · pith_short_12: 3T35VVZR2Z65 · pith_short_16: 3T35VVZR2Z65BTSY · pith_short_8: 3T35VVZR

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/3T35VVZR2Z65BTSYEA7QAXRD62 \
  | 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: dcf7dad731d67dd0ce58203f005e23f68c9f5a3e4adb8522bab527721f85ca32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c882e295ecc1c98908c8138b70bd3a300c0a606927b5afb7e1b00f96f7c68a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-31T17:59:51Z",
    "title_canon_sha256": "399dd584ff283ad534653697be8108c04996f7f7ded520b9eb36a31f7664f4b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.16006",
    "kind": "arxiv",
    "version": 1
  }
}