Pith Number

pith:DDYNPG4F

pith:2017:DDYNPG4FZSERZHASYP4UNHPNPT

not attested not anchored not stored refs pending

Evidence of Absence of Tidal Features in the Outskirts of Ultra Diffuse Galaxies in the Coma Cluster

Allison Merritt, Jin Koda, Lamiya Mowla, Masafumi Yagi, Pieter van Dokkum, Roberto Abraham

arxiv:1710.03762 v1 · 2017-10-10 · 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{DDYNPG4FZSERZHASYP4UNHPNPT}

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	2026-05-18T00:27:42.757100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f0d79b85cc891c9c12c3f9469ded7ccdae0cd29ba6b87785887769e7fde945

Aliases

arxiv: 1710.03762 · arxiv_version: 1710.03762v1 · doi: 10.48550/arxiv.1710.03762 · pith_short_12: DDYNPG4FZSER · pith_short_16: DDYNPG4FZSERZHAS · pith_short_8: DDYNPG4F

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/DDYNPG4FZSERZHASYP4UNHPNPT \
  | 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: 18f0d79b85cc891c9c12c3f9469ded7ccdae0cd29ba6b87785887769e7fde945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce3c46a7b3641f6993e5760c34eef6c49ec5bef6fe9186e533a1a3e66ff3f6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-10T18:00:03Z",
    "title_canon_sha256": "c137cbc9224455e659c0acb6750b6e7b230599e32de402e566740ef06d28aa04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03762",
    "kind": "arxiv",
    "version": 1
  }
}