Pith Number

pith:4DQAMVCQ

pith:2017:4DQAMVCQRNVYQ2H4LI7NOIPCFJ

not attested not anchored not stored refs pending

Population gradient in Sextans dSph: Comprehensive mapping of a dwarf galaxy by Suprime-Cam

E. Tolstoy, M. J. Irwin, M. Onodera, N. Arimoto, P. Jablonka, S. Okamoto, Y. Komiyama, Y. Yamada

arxiv:1701.04422 v1 · 2017-01-16 · 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{4DQAMVCQRNVYQ2H4LI7NOIPCFJ}

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	2026-05-18T00:52:43.735220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0e00654508b6b8868fc5a3ed721e22a7f8405b3c14e15686fc13ab0a7185001

Aliases

arxiv: 1701.04422 · arxiv_version: 1701.04422v1 · doi: 10.48550/arxiv.1701.04422 · pith_short_12: 4DQAMVCQRNVY · pith_short_16: 4DQAMVCQRNVYQ2H4 · pith_short_8: 4DQAMVCQ

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/4DQAMVCQRNVYQ2H4LI7NOIPCFJ \
  | 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: e0e00654508b6b8868fc5a3ed721e22a7f8405b3c14e15686fc13ab0a7185001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00957ba6fb0b1e80fb2f65bcd8420e772ce1f60c37d03ba5f855d35039761ee1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-16T19:09:52Z",
    "title_canon_sha256": "97d2499bd8402524014226bfa2a8e966afad27731b6b25e03f6b2960cd06c066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04422",
    "kind": "arxiv",
    "version": 1
  }
}