Pith Number

pith:NTLSYG5O

pith:2018:NTLSYG5O2AFEN636ZGGBEMTKGU

not attested not anchored not stored refs pending

Impact of inhomogeneous CMB heating of gas on the HI 21-cm signal during dark ages

(2) Yale University, Dhruba Dutta Chowdhury (2) ((1) Presidency University, Kanan K. Datta (1), Kolkata, New Haven), Sioree Ansar (1)

arxiv:1810.05908 v2 · 2018-10-13 · 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{NTLSYG5O2AFEN636ZGGBEMTKGU}

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	2026-05-18T00:01:14.558610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd72c1baed00a46fb7ec98c12326a351cedf7b93f44fa10f4892fa329f270a7

Aliases

arxiv: 1810.05908 · arxiv_version: 1810.05908v2 · doi: 10.48550/arxiv.1810.05908 · pith_short_12: NTLSYG5O2AFE · pith_short_16: NTLSYG5O2AFEN636 · pith_short_8: NTLSYG5O

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/NTLSYG5O2AFEN636ZGGBEMTKGU \
  | 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: 6cd72c1baed00a46fb7ec98c12326a351cedf7b93f44fa10f4892fa329f270a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0618e23c067fef3bcd39141c1b66d1eaa5050dc7f4972d78fb1898e5200bcd5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-10-13T18:27:17Z",
    "title_canon_sha256": "06c9ff858992055cdc422246ca2e6b6db8e340955780c8f6ab16ab65c36d756d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05908",
    "kind": "arxiv",
    "version": 2
  }
}