Pith Number

pith:FE23VUJ6

pith:2018:FE23VUJ6HILIXTBJDHVJAFEJSK

not attested not anchored not stored refs pending

Does black-hole growth depend on the cosmic environment?

B. Darvish, C.-T. J. Chen, D. M. Alexander, F. E. Bauer, F. Vito, Guang Yang, J. R. Trump, W. N. Brandt

arxiv:1807.06013 v1 · 2018-07-16 · astro-ph.GA · astro-ph.CO · 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{FE23VUJ6HILIXTBJDHVJAFEJSK}

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	2026-05-18T00:09:23.927824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2935bad13e3a168bcc2919ea90148992af11e91a1c8cc17e9fdf4417776b5b9c

Aliases

arxiv: 1807.06013 · arxiv_version: 1807.06013v1 · doi: 10.48550/arxiv.1807.06013 · pith_short_12: FE23VUJ6HILI · pith_short_16: FE23VUJ6HILIXTBJ · pith_short_8: FE23VUJ6

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/FE23VUJ6HILIXTBJDHVJAFEJSK \
  | 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: 2935bad13e3a168bcc2919ea90148992af11e91a1c8cc17e9fdf4417776b5b9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0ece6de1f48651ed5f3e97ab4e90a081d1cb9bb4c420cfec8373fc317216284",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-16T18:00:00Z",
    "title_canon_sha256": "0d25f31acd034baecb3871bf8bb6f5191504c3851da282fb27ea1d18aa7d7994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06013",
    "kind": "arxiv",
    "version": 1
  }
}