Pith Number

pith:IPJYY4YZ

pith:2015:IPJYY4YZJV6UQLXQQCWUPU75IW

not attested not anchored not stored refs pending

An Extended Star Formation History in an Ultra Compact Dwarf

Carlos G. Escudero, Favio R. Faifer, Juan Carlos Forte, Mark A. Norris, Remco C. E. van den Bosch, Sheila J. Kannappan

arxiv:1506.00004 v2 · 2015-05-29 · 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{IPJYY4YZJV6UQLXQQCWUPU75IW}

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	2026-05-18T01:58:26.576284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d38c73194d7d482ef080ad47d3fd45972152a71ebc4c1a63fa06cb0f072905

Aliases

arxiv: 1506.00004 · arxiv_version: 1506.00004v2 · doi: 10.48550/arxiv.1506.00004 · pith_short_12: IPJYY4YZJV6U · pith_short_16: IPJYY4YZJV6UQLXQ · pith_short_8: IPJYY4YZ

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/IPJYY4YZJV6UQLXQQCWUPU75IW \
  | 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: 43d38c73194d7d482ef080ad47d3fd45972152a71ebc4c1a63fa06cb0f072905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b47890a2446761b56ccde837447b52b8abbe99075c4064c9915780768e9f8a7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-29T20:00:39Z",
    "title_canon_sha256": "03573d9f879e49e73e455b332ff6d01115566cfa4b8c96c9be9376eea12bc417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00004",
    "kind": "arxiv",
    "version": 2
  }
}