Pith Number

pith:ALKER332

pith:2010:ALKER3327437BPXULMXDFKZR5I

not attested not anchored not stored refs pending

A search for galaxies in and around an HI overdense region at z=5

(2) NAOJ, (3) Tokyo, (4) USF, (5) Tohoku), B. L. Frye (4), Ian Smail (1), J. Richard (1), K. Shimasaku (3), N. Kashikawa (2), T. Fujii (5) ((1) Durham, T. Hayashino (5), T. Yamada (5), Y. Matsuda (1), Y. Nakamura (5)

arxiv:1001.1943 v1 · 2010-01-12 · 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{ALKER3327437BPXULMXDFKZR5I}

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	2026-05-18T02:09:55.413246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02d448ef7aff37f0bef45b2e32ab31ea1f8950f5836a537810b543261f2c9a7f

Aliases

arxiv: 1001.1943 · arxiv_version: 1001.1943v1 · doi: 10.48550/arxiv.1001.1943 · pith_short_12: ALKER3327437 · pith_short_16: ALKER3327437BPXU · pith_short_8: ALKER332

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/ALKER3327437BPXULMXDFKZR5I \
  | 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: 02d448ef7aff37f0bef45b2e32ab31ea1f8950f5836a537810b543261f2c9a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "593a332b22b875b8c87ec0a27aefb169b56c3018b6b32ec5c706b26bb52924d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-12T17:12:24Z",
    "title_canon_sha256": "12841adb4d38234d28224b20bed8e08a7b26ba9c2d4372817beeef1beae4a342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1943",
    "kind": "arxiv",
    "version": 1
  }
}