Pith Number

pith:DPE45UHM

pith:2025:DPE45UHMKZHLUWQP2HT3H7BODR

not attested not anchored not stored refs pending

Deep in the Fields of the Andromeda Halo: Discovery of the Pegasus VII dwarf galaxy in UNIONS

Alan W. McConnachie, Christian R. Hayes, Eugene Magnier, Jean-Charles Cuillandre, Julio Navarro, Ken Chambers, Massimiliano Gatto, Michael J. Hudson, Nicolas Martin, Simon E. T. Smith, Stephen Gwyn

arxiv:2502.09792 v1 · 2025-02-13 · 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{DPE45UHMKZHLUWQP2HT3H7BODR}

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	2026-07-05T10:14:12.139095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bc9ced0ec564eba5a0fd1e7b3fc2e1c4196041078e0746f76967078ea2968aa

Aliases

arxiv: 2502.09792 · arxiv_version: 2502.09792v1 · doi: 10.48550/arxiv.2502.09792 · pith_short_12: DPE45UHMKZHL · pith_short_16: DPE45UHMKZHLUWQP · pith_short_8: DPE45UHM

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/DPE45UHMKZHLUWQP2HT3H7BODR \
  | 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: 1bc9ced0ec564eba5a0fd1e7b3fc2e1c4196041078e0746f76967078ea2968aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67377c66fb1ca5bfea3f754c52133f5c76444df2be2d8c4ea8acceb45b69d942",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-13T21:59:05Z",
    "title_canon_sha256": "1db21cdbc9b12b4e22698d11320a933eaceb7281ba948eef0916ec2301277ac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09792",
    "kind": "arxiv",
    "version": 1
  }
}