Pith Number

pith:MPL3HQSV

pith:2014:MPL3HQSVRHWG7CC6B7HFOW2M4F

not attested not anchored not stored refs pending

The ACS LCID project. X. The Star Formation History of IC 1613: Revisiting the Over-Cooling Problem

Andrew A. Cole, Andrew E. Dolphin, Antonio Aparicio, Carme Gallart, Daniel R. Weisz, Edouard J. Bernard, Eline Tolstoy, Evan D. Skillman, Henry C. Ferguson, Julio F. Navarro, Lucio Mayer, Matteo Monelli, Michael Boylan-Kolchin, Peter B. Stetson, Santi Cassisi, Sebastian L. Hidalgo

arxiv:1403.4609 v1 · 2014-03-18 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPL3HQSVRHWG7CC6B7HFOW2M4F}

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	2026-05-18T01:43:59.677010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d7b3c25589ec6f885e0fce575b4ce15329e21fc9b2c49d821faae23975631e

Aliases

arxiv: 1403.4609 · arxiv_version: 1403.4609v1 · doi: 10.48550/arxiv.1403.4609 · pith_short_12: MPL3HQSVRHWG · pith_short_16: MPL3HQSVRHWG7CC6 · pith_short_8: MPL3HQSV

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/MPL3HQSVRHWG7CC6B7HFOW2M4F \
  | 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: 63d7b3c25589ec6f885e0fce575b4ce15329e21fc9b2c49d821faae23975631e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89a16c2a08801a2ec991fa0c37bdb83df4ba54e6ebc133bd1745f26729a64b8e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-18T20:01:05Z",
    "title_canon_sha256": "1a69e18cca1f4d551bae623c61b50c9c324a63beabcd8c4f068aa1c258b9758f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4609",
    "kind": "arxiv",
    "version": 1
  }
}