Pith Number

pith:BVT4Q4BT

pith:2015:BVT4Q4BTKL36RPBDUE4TFEUR5N

not attested not anchored not stored refs pending

The Weak Carbon Monoxide Emission In An Extremely Metal Poor Galaxy, Sextans A

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

arxiv:1504.01453 v1 · 2015-04-07 · 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{BVT4Q4BTKL36RPBDUE4TFEUR5N}

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	2026-05-18T01:40:49.167589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d67c8703352f7e8bc23a139329291eb588b5cb986435288709673026efe385c

Aliases

arxiv: 1504.01453 · arxiv_version: 1504.01453v1 · doi: 10.48550/arxiv.1504.01453 · pith_short_12: BVT4Q4BTKL36 · pith_short_16: BVT4Q4BTKL36RPBD · pith_short_8: BVT4Q4BT

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/BVT4Q4BTKL36RPBDUE4TFEUR5N \
  | 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: 0d67c8703352f7e8bc23a139329291eb588b5cb986435288709673026efe385c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dd6252d54f64856f45c128896a16730e417dd87fce80f978476574b039ca102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-07T01:45:48Z",
    "title_canon_sha256": "d1409ea50654ea4be3472256f7fd1228b2e1426f85c1ccb3cb403abdd6ab4c75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01453",
    "kind": "arxiv",
    "version": 1
  }
}