Pith Number

pith:3MZWXYZR

pith:2014:3MZWXYZRA2BQA7U3RQ7IMWFHEE

not attested not anchored not stored refs pending

How to Search for Islands of Neutral Hydrogen in the $z \sim 5.5$ IGM

Adam Lidz, Matthew Malloy

arxiv:1410.0020 v1 · 2014-09-30 · 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{3MZWXYZRA2BQA7U3RQ7IMWFHEE}

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	2026-05-18T01:41:53.765438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db336be3310683007e9b8c3e8658a7213cdac73e51b83fbe3efccd8bbd3e531f

Aliases

arxiv: 1410.0020 · arxiv_version: 1410.0020v1 · doi: 10.48550/arxiv.1410.0020 · pith_short_12: 3MZWXYZRA2BQ · pith_short_16: 3MZWXYZRA2BQA7U3 · pith_short_8: 3MZWXYZR

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/3MZWXYZRA2BQA7U3RQ7IMWFHEE \
  | 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: db336be3310683007e9b8c3e8658a7213cdac73e51b83fbe3efccd8bbd3e531f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4935e7254e40cd7982abc0ead6f3f1edb1d72dfa61f05d63e186cfb4aacc91d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-30T20:00:20Z",
    "title_canon_sha256": "87288f708ab1d45584d595e12e1fa1d4a38f954a178bf00f7966a6721dcf7e01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0020",
    "kind": "arxiv",
    "version": 1
  }
}