Pith Number

pith:WVB3BLUV

pith:2015:WVB3BLUVT3THIGQHBGMZLBHO5F

not attested not anchored not stored refs pending

Constraints on the temperature of the intergalactic medium at z=8.4 with 21-cm observations

Andrei Mesinger, Bradley Greig, Jonathan C. Pober

arxiv:1509.02158 v2 · 2015-09-07 · 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{WVB3BLUVT3THIGQHBGMZLBHO5F}

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	2026-05-18T01:24:18.339418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b543b0ae959ee6741a0709999584eee9797cb75f0953438bcb690b7d2c97c91a

Aliases

arxiv: 1509.02158 · arxiv_version: 1509.02158v2 · doi: 10.48550/arxiv.1509.02158 · pith_short_12: WVB3BLUVT3TH · pith_short_16: WVB3BLUVT3THIGQH · pith_short_8: WVB3BLUV

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/WVB3BLUVT3THIGQHBGMZLBHO5F \
  | 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: b543b0ae959ee6741a0709999584eee9797cb75f0953438bcb690b7d2c97c91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e6cb6cfea6f9f22702a22539361efa1d81aba2a81179cd0e7cff00031714cc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-09-07T20:05:11Z",
    "title_canon_sha256": "6225fa4ace29ba26827e5e0484bd0c93eb62a4e7926e03241b42e2cbf98f5117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02158",
    "kind": "arxiv",
    "version": 2
  }
}