Pith Number

pith:5VOF5THS

pith:2019:5VOF5THS76O6L5ILBUCFUVV63T

not attested not anchored not stored refs pending

A Tip of the Red Giant Branch Distance to the Dark Matter Deficient Galaxy NGC1052-DF4 from Deep Hubble Space Telescope Data

Aaron J. Romanowsky, Andrew E. Dolphin, Charlie Conroy, Pieter van Dokkum, Roberto Abraham, Shany Danieli

arxiv:1910.07529 v3 · 2019-10-16 · 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{5VOF5THS76O6L5ILBUCFUVV63T}

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	2026-07-05T01:05:37.336959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed5c5eccf2ff9de5f50b0d045a56bedcdd64d657d7b6a3df7f714b0c019a7143

Aliases

arxiv: 1910.07529 · arxiv_version: 1910.07529v3 · doi: 10.48550/arxiv.1910.07529 · pith_short_12: 5VOF5THS76O6 · pith_short_16: 5VOF5THS76O6L5IL · pith_short_8: 5VOF5THS

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/5VOF5THS76O6L5ILBUCFUVV63T \
  | 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: ed5c5eccf2ff9de5f50b0d045a56bedcdd64d657d7b6a3df7f714b0c019a7143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1da9d41a55b4904b9a7ac4cdc32c2fc6e3c3201fc107f9a72171f3b578af5183",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-16T18:00:01Z",
    "title_canon_sha256": "2fe6589b344783629452be11fed8b1e401d5bdf7f4d9fe78e9c2dd13d2183ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07529",
    "kind": "arxiv",
    "version": 3
  }
}