Pith Number

pith:FD73UKOY

pith:2022:FD73UKOYEKHDC2LRYSROJ6HTSK

not attested not anchored not stored refs pending

Super-critical accretion of medium-weight seed black holes in gaseous proto-galactic nuclei

Federica Sassano, Lucio Mayer, Pedro R. Capelo, Raffaella Schneider, Rosa Valiante

arxiv:2204.10330 v2 · 2022-04-21 · 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{FD73UKOYEKHDC2LRYSROJ6HTSK}

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	2026-07-05T05:26:40.568413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ffba29d8228e316971c4a2e4f8f392bc51fb9b318d1701f137a2eb7a1a0194

Aliases

arxiv: 2204.10330 · arxiv_version: 2204.10330v2 · doi: 10.48550/arxiv.2204.10330 · pith_short_12: FD73UKOYEKHD · pith_short_16: FD73UKOYEKHDC2LR · pith_short_8: FD73UKOY

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/FD73UKOYEKHDC2LRYSROJ6HTSK \
  | 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: 28ffba29d8228e316971c4a2e4f8f392bc51fb9b318d1701f137a2eb7a1a0194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0805a057fd03444f86f8dc7ce96d1aeda8170a2f873cec1d3ad85c0602921c6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-21T18:00:01Z",
    "title_canon_sha256": "897e9c6b1c07f5f27098b804182092bef4ecd1327cd1af4339667725ac4f9a7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.10330",
    "kind": "arxiv",
    "version": 2
  }
}