Pith Number

pith:VQQ3HJSB

pith:2019:VQQ3HJSBMDHEMFDT7RZYJEFT2N

not attested not anchored not stored refs pending

Morphology of 21cm brightness temperature during the Epoch of Reioinization using Contour Minkowski Tensor

Akanksha Kapahtia, Pravabati Chingangbam, Stephen Appleby

arxiv:1904.06840 v1 · 2019-04-15 · 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{VQQ3HJSBMDHEMFDT7RZYJEFT2N}

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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

Topological Signatures of Heating and Dark Matter in the 21 cm Forest

Receipt and verification

First computed	2026-07-05T00:10:35.504373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac21b3a64160ce461473fc738490b3d36e4463381ae72cf564d50d1e94793227

Aliases

arxiv: 1904.06840 · arxiv_version: 1904.06840v1 · doi: 10.48550/arxiv.1904.06840 · pith_short_12: VQQ3HJSBMDHE · pith_short_16: VQQ3HJSBMDHEMFDT · pith_short_8: VQQ3HJSB

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/VQQ3HJSBMDHEMFDT7RZYJEFT2N \
  | 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: ac21b3a64160ce461473fc738490b3d36e4463381ae72cf564d50d1e94793227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d75a86bdcb6c1e023aa539b5cc7e602f23e011d55ae17a257620614be495a05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-15T04:58:01Z",
    "title_canon_sha256": "97ab330b6b8259bd16329b759e63433f9ea68cba3b713fa80bb2fd746efb5c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06840",
    "kind": "arxiv",
    "version": 1
  }
}