Pith Number

pith:UDMNN6SV

pith:2020:UDMNN6SVVNUVZW2ALOHWJB65NB

not attested not anchored not stored refs pending

VLT Spectroscopy of Ultra-Faint Dwarf Galaxies. 1. Bo\"otes I, Leo IV, Leo V

Alexander P. Ji, Andrew B. Pace, Burcin Mutlu-Pakdil, Sergey E. Koposov, Sydney Jenkins, Ting S. Li

arxiv:2101.00013 v2 · 2020-12-31 · 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{UDMNN6SVVNUVZW2ALOHWJB65NB}

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	2026-07-05T03:25:49.775577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0d8d6fa55ab695cdb405b8f6487dd687f31c195162fa3a2c213438dd089cdbb

Aliases

arxiv: 2101.00013 · arxiv_version: 2101.00013v2 · doi: 10.48550/arxiv.2101.00013 · pith_short_12: UDMNN6SVVNUV · pith_short_16: UDMNN6SVVNUVZW2A · pith_short_8: UDMNN6SV

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/UDMNN6SVVNUVZW2ALOHWJB65NB \
  | 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: a0d8d6fa55ab695cdb405b8f6487dd687f31c195162fa3a2c213438dd089cdbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9faf157458c2306cf8debd9dbf5426858f7f9c49fc5ac371f08a3723dee3ed5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-31T19:00:00Z",
    "title_canon_sha256": "45cbe2809bceeea679db4b8f09e8721a5ecca7ac3910938ec47cd33e97ed5717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00013",
    "kind": "arxiv",
    "version": 2
  }
}