Pith Number

pith:LFZE3S2L

pith:2012:LFZE3S2LC4QFZL4CCHTCAT2NPT

not attested not anchored not stored refs pending

A survey for the missing hydrogen in high redshift radio sources

C. Bignell, E. M. Sadler, M. T. Whiting, S. J. Curran

arxiv:1210.1886 v3 · 2012-10-05 · 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{LFZE3S2LC4QFZL4CCHTCAT2NPT}

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	2026-05-18T01:54:05.130823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59724dcb4b17205caf8211e6204f4d7ce17029b18ec0f326d2abbb21e8e27e23

Aliases

arxiv: 1210.1886 · arxiv_version: 1210.1886v3 · doi: 10.48550/arxiv.1210.1886 · pith_short_12: LFZE3S2LC4QF · pith_short_16: LFZE3S2LC4QFZL4C · pith_short_8: LFZE3S2L

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/LFZE3S2LC4QFZL4CCHTCAT2NPT \
  | 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: 59724dcb4b17205caf8211e6204f4d7ce17029b18ec0f326d2abbb21e8e27e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a87c9f3057523ce16dd627ae60f4dfce11f82d026251864c03e355016a8208b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-05T22:58:45Z",
    "title_canon_sha256": "d90f10b76341c6469bded13f9864fe57aab05df853acd2638f5a54b8866a05e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1886",
    "kind": "arxiv",
    "version": 3
  }
}