Pith Number

pith:ZT4FG4R5

pith:2011:ZT4FG4R5XMFCH52BLSMZDM4KZL

not attested not anchored not stored refs pending

Lyman alpha emission from the first galaxies: Signatures of accretion and infall in the presence of line trapping

Dominik. R. G. Schleicher, M.A. Latif, M. Spaans, S. Zaroubi

arxiv:1102.0218 v1 · 2011-02-01 · 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{ZT4FG4R5XMFCH52BLSMZDM4KZL}

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	2026-05-18T02:03:18.042112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccf853723dbb0a23f7415c9991b38acacd68bb7bc2b77e2ccc41f96f68a98c76

Aliases

arxiv: 1102.0218 · arxiv_version: 1102.0218v1 · doi: 10.48550/arxiv.1102.0218 · pith_short_12: ZT4FG4R5XMFC · pith_short_16: ZT4FG4R5XMFCH52B · pith_short_8: ZT4FG4R5

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/ZT4FG4R5XMFCH52BLSMZDM4KZL \
  | 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: ccf853723dbb0a23f7415c9991b38acacd68bb7bc2b77e2ccc41f96f68a98c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57eaf628ad59a0a8d9ddc2f6f38e3a53882fba7bc4f4687169d334a5f256b735",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-01T17:08:41Z",
    "title_canon_sha256": "8cbfafd9c963e2bda75cfc7933e5a980af329f80b5cb5b8f05d06891958ac943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0218",
    "kind": "arxiv",
    "version": 1
  }
}