Pith Number

pith:IL22POVK

pith:2013:IL22POVKPRN7XZPU7JXSUMDS2N

not attested not anchored not stored refs pending

The HETDEX Pilot Survey. IV. The Evolution of [O II] Emitting Galaxies from z ~ 0.5 to z ~ 0

Caryl Gronwall, Donald P. Schneider, Gary J. Hill, Gavin B. Dalton, Gregory R. Zeimann, Guillermo A. Blanc, Joshua J. Adams, Karl Gebhardt, Niv Drory, Robin Ciardullo, Shardha Jogee, Steven L. Finkelstein, Ulrich Hopp

arxiv:1304.5537 v1 · 2013-04-19 · 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{IL22POVKPRN7XZPU7JXSUMDS2N}

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	2026-05-18T01:50:24.256773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42f5a7baaa7c5bfbe5f4fa6f2a3072d36486218926502be6fabc9ab67e5cbf1c

Aliases

arxiv: 1304.5537 · arxiv_version: 1304.5537v1 · doi: 10.48550/arxiv.1304.5537 · pith_short_12: IL22POVKPRN7 · pith_short_16: IL22POVKPRN7XZPU · pith_short_8: IL22POVK

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/IL22POVKPRN7XZPU7JXSUMDS2N \
  | 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: 42f5a7baaa7c5bfbe5f4fa6f2a3072d36486218926502be6fabc9ab67e5cbf1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa92f8dbf5474f0439535fd612495bee6a6baea3d008cae253db2b6c32c602ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-19T20:20:01Z",
    "title_canon_sha256": "6462fcf8d019456b7fd2cac0ccb00d1b5c28f5986387c30c400455177f53b1f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5537",
    "kind": "arxiv",
    "version": 1
  }
}