Pith Number

pith:X3PQIE64

pith:2019:X3PQIE64IJK746EMXVZJ6DSN7Q

not attested not anchored not stored refs pending

Intensity mapping with neutral hydrogen and the Hidden Valley simulations

Chirag Modi, Emanuele Castorina, Martin White, Yu Feng

arxiv:1904.11923 v2 · 2019-04-26 · 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{X3PQIE64IJK746EMXVZJ6DSN7Q}

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.

Cited by

1 paper in Pith

Probing the HI distribution at small scales using 21-cm Intensity Mapping at large scales

Receipt and verification

First computed	2026-07-05T00:19:36.247038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bedf0413dc4255fe788cbd729f0e4dfc0c6d578f2ce12fbe67fb768ca5862a46

Aliases

arxiv: 1904.11923 · arxiv_version: 1904.11923v2 · doi: 10.48550/arxiv.1904.11923 · pith_short_12: X3PQIE64IJK7 · pith_short_16: X3PQIE64IJK746EM · pith_short_8: X3PQIE64

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/X3PQIE64IJK746EMXVZJ6DSN7Q \
  | 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: bedf0413dc4255fe788cbd729f0e4dfc0c6d578f2ce12fbe67fb768ca5862a46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cebb8a9a77ce13edd56b40b02f6d441cfccf60ef78b5170553ca5a7bfce30d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-26T16:32:51Z",
    "title_canon_sha256": "3766acbc69254f2ec2a4a1ff0c4e9184e12686f8635039c72d0e0b7e38b9de68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11923",
    "kind": "arxiv",
    "version": 2
  }
}