Pith Number

pith:KRQSPYP7

pith:2016:KRQSPYP7QJG2ZNUHUFRAO2SDK7

not attested not anchored not stored refs pending

Spectroscopic confirmation of the dwarf spheroidal galaxy d0944+71 as a member of the M81 group of galaxies

David Sand, Denija Crnojevic, Elisa Toloba, Joshua Simon, Kristin Chiboucas, Puragra Guhathakurta

arxiv:1610.03856 v1 · 2016-10-12 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KRQSPYP7QJG2ZNUHUFRAO2SDK7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:01:59.732278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

546127e1ff824dacb687a162076a4357f5d2876cc50028533ef92c704fcfd730

Aliases

arxiv: 1610.03856 · arxiv_version: 1610.03856v1 · doi: 10.48550/arxiv.1610.03856 · pith_short_12: KRQSPYP7QJG2 · pith_short_16: KRQSPYP7QJG2ZNUH · pith_short_8: KRQSPYP7

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/KRQSPYP7QJG2ZNUHUFRAO2SDK7 \
  | 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: 546127e1ff824dacb687a162076a4357f5d2876cc50028533ef92c704fcfd730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7794bad6e410b0308ff250081a407a92da70529e3d58dac0f363d2c7c728e50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-12T20:00:14Z",
    "title_canon_sha256": "620845c0fe8ddd605102b4763ef4f4606a3fd04601f00124f2127a5a00a60b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03856",
    "kind": "arxiv",
    "version": 1
  }
}