Pith Number

pith:Y7OTSQT2

pith:2023:Y7OTSQT2R42GXWPZZ33AAW46K2

not attested not anchored not stored refs pending

Exploring the stellar populations of backsplash galaxies

Asmus B\"ohm, Ignacio Ferreras, Keiichi Umetsu, Reinaldo R. de Carvalho, Vitor Sampaio

arxiv:2301.01776 v1 · 2023-01-04 · 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{Y7OTSQT2R42GXWPZZ33AAW46K2}

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	2026-07-05T05:33:56.187808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7dd39427a8f346bd9f9cef6005b9e568dcc23b55db72530ba231e2113f46c26

Aliases

arxiv: 2301.01776 · arxiv_version: 2301.01776v1 · doi: 10.48550/arxiv.2301.01776 · pith_short_12: Y7OTSQT2R42G · pith_short_16: Y7OTSQT2R42GXWPZ · pith_short_8: Y7OTSQT2

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/Y7OTSQT2R42GXWPZZ33AAW46K2 \
  | 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: c7dd39427a8f346bd9f9cef6005b9e568dcc23b55db72530ba231e2113f46c26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22a05a85ab355a06e8df852eff643ca29fa3f6471e4dde3a2f6a1adeff80b1ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-04T19:00:00Z",
    "title_canon_sha256": "7302ea6340dea3c33bdfea18c872ef8ffa41a5547730d25a8afeb3e19bf9dd5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.01776",
    "kind": "arxiv",
    "version": 1
  }
}