Pith Number

pith:CQSJBXWP

pith:2010:CQSJBXWPFWENO74Q6XDHVMKW3R

not attested not anchored not stored refs pending

Origin of optically passive spiral galaxies with dusty star-forming regions: Outside-in truncation of star formation?

Kenji Bekki, Warrick J. Couch

arxiv:1007.2532 v1 · 2010-07-15 · 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{CQSJBXWPFWENO74Q6XDHVMKW3R}

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	2026-05-18T02:06:21.733860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

142490decf2d88d77f90f5c67ab156dc7662969ae61405527fbf9ca2dbdd3866

Aliases

arxiv: 1007.2532 · arxiv_version: 1007.2532v1 · doi: 10.48550/arxiv.1007.2532 · pith_short_12: CQSJBXWPFWEN · pith_short_16: CQSJBXWPFWENO74Q · pith_short_8: CQSJBXWP

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/CQSJBXWPFWENO74Q6XDHVMKW3R \
  | 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: 142490decf2d88d77f90f5c67ab156dc7662969ae61405527fbf9ca2dbdd3866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82df53a61072f3bd5d2b1700ec8079607108f83a90063d93fc68393909cb1c1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-15T10:53:14Z",
    "title_canon_sha256": "0a1c63a9e4e7fbab5a606017e2cc303149e51575ef1fdd2e6f68b500e6211b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2532",
    "kind": "arxiv",
    "version": 1
  }
}