Pith Number

pith:EWM5QG4Y

pith:2009:EWM5QG4Y43KZB36GIGWALKJSXA

not attested not anchored not stored refs pending

Sizes of Lyman-Alpha-Emitting Galaxies and Their Rest-Frame Ultraviolet Components at z=3.1

C. Gronwall, E. Gawiser, K. Schawinski, M. Altmann, N. A. Bond, R. Ciardullo

arxiv:0907.2235 v2 · 2009-07-13 · astro-ph.CO · 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{EWM5QG4Y43KZB36GIGWALKJSXA}

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	2026-05-18T04:29:42.448842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2599d81b98e6d590efc641ac05a932b8318c2f7d4376947a81c73e100896baae

Aliases

arxiv: 0907.2235 · arxiv_version: 0907.2235v2 · doi: 10.48550/arxiv.0907.2235 · pith_short_12: EWM5QG4Y43KZ · pith_short_16: EWM5QG4Y43KZB36G · pith_short_8: EWM5QG4Y

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/EWM5QG4Y43KZB36GIGWALKJSXA \
  | 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: 2599d81b98e6d590efc641ac05a932b8318c2f7d4376947a81c73e100896baae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90d341dcddea86fb023be9076f84083ec434d7eaaf9a0a25e37dbf852285fafe",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-13T20:04:12Z",
    "title_canon_sha256": "882c782580a90bf6d2716fe8bb58a25579ad0942a5ab39a693f52f15a9cd2827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2235",
    "kind": "arxiv",
    "version": 2
  }
}