Pith Number

pith:QHT7B5TZ

pith:2020:QHT7B5TZMQBMBJ5TVBWJC4FBLO

not attested not anchored not stored refs pending

Exploring reionisation and high-z galaxy observables with recent multi-redshift MWA upper limits on the 21-cm signal

Bart Pindor, Bradley Greig, Cathryn M. Trott, J. Stuart B. Wyithe, Nichole Barry, Rachel L. Webster, Simon J. Mutch

arxiv:2008.02639 v1 · 2020-08-05 · 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{QHT7B5TZMQBMBJ5TVBWJC4FBLO}

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	2026-07-05T01:53:54.910729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e7f0f6796402c0a7b3a86c9170a15ba349ec62fb7c39401515d64605f7a8d6

Aliases

arxiv: 2008.02639 · arxiv_version: 2008.02639v1 · doi: 10.48550/arxiv.2008.02639 · pith_short_12: QHT7B5TZMQBM · pith_short_16: QHT7B5TZMQBMBJ5T · pith_short_8: QHT7B5TZ

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/QHT7B5TZMQBMBJ5TVBWJC4FBLO \
  | 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: 81e7f0f6796402c0a7b3a86c9170a15ba349ec62fb7c39401515d64605f7a8d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d480e889541e72ce9d4dd2dd871782bfdf70c3e47db9fa8ef503ce8a106cefe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-08-05T10:03:09Z",
    "title_canon_sha256": "a208e7f485848c644f836f2a457808006faa9472a4630e8ce99ce26f51fb5ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.02639",
    "kind": "arxiv",
    "version": 1
  }
}