Pith Number

pith:XYEX6Z5G

pith:2018:XYEX6Z5G3LKC7JST5IFGPM6XR2

not attested not anchored not stored refs pending

Dark energy constraints from the 21~cm intensity mapping surveys with SKA1

Anjan A Sen, Bikash R. Dinda, Tirthankar Roy Choudhury

arxiv:1804.11137 v1 · 2018-04-30 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYEX6Z5G3LKC7JST5IFGPM6XR2}

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

Mapping Large-Scale-Structure Evolution over Cosmic Times

Receipt and verification

First computed	2026-05-18T00:17:14.529255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be097f67a6dad42fa653ea0a67b3d78e99aab866e91c3f78f3741e150e057c6d

Aliases

arxiv: 1804.11137 · arxiv_version: 1804.11137v1 · doi: 10.48550/arxiv.1804.11137 · pith_short_12: XYEX6Z5G3LKC · pith_short_16: XYEX6Z5G3LKC7JST · pith_short_8: XYEX6Z5G

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/XYEX6Z5G3LKC7JST5IFGPM6XR2 \
  | 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: be097f67a6dad42fa653ea0a67b3d78e99aab866e91c3f78f3741e150e057c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929df290987d2e9f74db993134387080af3df95beee1db769a855c11f278a149",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-30T11:54:11Z",
    "title_canon_sha256": "c65f1d64c1dda47ea402827dc52f4936f12ae19c64b2075f2263d60130c9c910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11137",
    "kind": "arxiv",
    "version": 1
  }
}