Pith Number

pith:UNAU3XPA

pith:2013:UNAU3XPA7XHLLJESLAFQQ5TQ3I

not attested not anchored not stored refs pending

Foreground contamination in Ly-alpha intensity mapping during the epoch of reionization

Asantha Cooray, Mario G. Santos, Marta Silva, Yan Gong

arxiv:1312.2035 v2 · 2013-12-06 · 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{UNAU3XPA7XHLLJESLAFQQ5TQ3I}

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	2026-05-18T01:45:57.614087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3414ddde0fdceb5a492580b087670da0a23bbba1ec7abc7dd0b8b46ff069360

Aliases

arxiv: 1312.2035 · arxiv_version: 1312.2035v2 · doi: 10.48550/arxiv.1312.2035 · pith_short_12: UNAU3XPA7XHL · pith_short_16: UNAU3XPA7XHLLJES · pith_short_8: UNAU3XPA

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/UNAU3XPA7XHLLJESLAFQQ5TQ3I \
  | 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: a3414ddde0fdceb5a492580b087670da0a23bbba1ec7abc7dd0b8b46ff069360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da009100abb38cd76a729693db3ff895787866f324d41c1a8a58f41f703ad79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-06T23:03:33Z",
    "title_canon_sha256": "5860dee4d7b3da4da0292b903a61a0bf147b78e0dd1f2903ca50273793e69018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2035",
    "kind": "arxiv",
    "version": 2
  }
}