Pith Number

pith:PNYW3WMD

pith:2019:PNYW3WMD3TVC666TMTOTIO5BRQ

not attested not anchored not stored refs pending

Cosmic variance of $z>7$ galaxies: Prediction from BlueTides

Aklant K. Bhowmick, Ananth Tenneti, Rachel S. Somerville, Stephen Wilkins, Tiziana DiMatteo, Yu Feng

arxiv:1908.02787 v2 · 2019-08-07 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNYW3WMD3TVC666TMTOTIO5BRQ}

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	2026-07-05T01:13:54.083978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b716dd983dcea2f7bd364dd343ba18c2a8ea33588154f1be07abcd215ae5038

Aliases

arxiv: 1908.02787 · arxiv_version: 1908.02787v2 · doi: 10.48550/arxiv.1908.02787 · pith_short_12: PNYW3WMD3TVC · pith_short_16: PNYW3WMD3TVC666T · pith_short_8: PNYW3WMD

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/PNYW3WMD3TVC666TMTOTIO5BRQ \
  | 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: 7b716dd983dcea2f7bd364dd343ba18c2a8ea33588154f1be07abcd215ae5038

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b857b13713c56974d920c2df00ca5e22e17456fc08182d95102897882c5af49a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-07T18:19:55Z",
    "title_canon_sha256": "fac072124c2b2a8e5def30e7569a97aed6872e997ac77952239c463f42b9eaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02787",
    "kind": "arxiv",
    "version": 2
  }
}