Pith Number

pith:2HOVGOR3

pith:2014:2HOVGOR3OZSVWHNJLN5PSPN3G5

not attested not anchored not stored refs pending

Inefficient Star Formation In Extremely Metal Poor Galaxies

George Helou (Caltech), Junzhi Wang (SHAO), Lee Armus (Caltech), Qiusheng Gu (NJU), Sabrina Stierwalt (Virginia), Yong Shi (NJU), Yu Gao (PMO), Zhi-Yu Zhang (Edinburgh)

arxiv:1410.5504 v1 · 2014-10-20 · 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{2HOVGOR3OZSVWHNJLN5PSPN3G5}

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	2026-05-18T02:39:39.705479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1dd533a3b76655b1da95b7af93dbb376c78192fe274582abe3ff098e8a44935

Aliases

arxiv: 1410.5504 · arxiv_version: 1410.5504v1 · doi: 10.48550/arxiv.1410.5504 · pith_short_12: 2HOVGOR3OZSV · pith_short_16: 2HOVGOR3OZSVWHNJ · pith_short_8: 2HOVGOR3

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/2HOVGOR3OZSVWHNJLN5PSPN3G5 \
  | 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: d1dd533a3b76655b1da95b7af93dbb376c78192fe274582abe3ff098e8a44935

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af4203ef1362754ce687c7221e4de3bd8ab315e94ff2948987f010a960bb0904",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-20T23:49:14Z",
    "title_canon_sha256": "765ae95dae7ba5c94485c5a057574daa30226455f2ed3f3faa57395b45eb2ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5504",
    "kind": "arxiv",
    "version": 1
  }
}