Pith Number

pith:VPLTM45S

pith:2010:VPLTM45S3AKSI6ZP4HWRTJAIFP

not attested not anchored not stored refs pending

The Stellar Population and Star Formation Properties of Blue Compact Dwarf Galaxies

Qiusheng Gu (NJU), Yinghe Zhao (PMO), Yu Gao (PMO)

arxiv:1012.1145 v1 · 2010-12-06 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPLTM45S3AKSI6ZP4HWRTJAIFP}

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	2026-05-18T02:23:15.469686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd73673b2d815247b2fe1ed19a4082bd96f56515235e94732b7a9a2c25ceed9

Aliases

arxiv: 1012.1145 · arxiv_version: 1012.1145v1 · doi: 10.48550/arxiv.1012.1145 · pith_short_12: VPLTM45S3AKS · pith_short_16: VPLTM45S3AKSI6ZP · pith_short_8: VPLTM45S

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/VPLTM45S3AKSI6ZP4HWRTJAIFP \
  | 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: abd73673b2d815247b2fe1ed19a4082bd96f56515235e94732b7a9a2c25ceed9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff85580ec977d5be7889466056697b5dad30da1b5f3c9c784baf7687cef4c11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-06T12:21:23Z",
    "title_canon_sha256": "d1c392b702737b1faa8d73a9ee2c51e1999bd5eb566bee994d89d4d51bc5c0d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1145",
    "kind": "arxiv",
    "version": 1
  }
}