Pith Number

pith:SHYDKAEF

pith:2017:SHYDKAEFIVUSUWLYAEWRKHQ5SH

not attested not anchored not stored refs pending

An analytical method to simulate the HI 21-cm visibility signal for intensity mapping experiments

Anjan Kumar Sarkar, Somnath Bharadwaj, Visweshwar Ram Marthi

arxiv:1709.03984 v1 · 2017-09-12 · 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{SHYDKAEFIVUSUWLYAEWRKHQ5SH}

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	2026-05-18T00:35:15.741364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91f035008545692a5978012d151e1d91fa349cecd832aae02660b9b082810335

Aliases

arxiv: 1709.03984 · arxiv_version: 1709.03984v1 · doi: 10.48550/arxiv.1709.03984 · pith_short_12: SHYDKAEFIVUS · pith_short_16: SHYDKAEFIVUSUWLY · pith_short_8: SHYDKAEF

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/SHYDKAEFIVUSUWLYAEWRKHQ5SH \
  | 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: 91f035008545692a5978012d151e1d91fa349cecd832aae02660b9b082810335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5debd82515d976bdc8912b97308a71734c506be5f47d70910ffe0ade626e5663",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-09-12T18:00:00Z",
    "title_canon_sha256": "1c7aa8d633ee45c42e3111dbe6c6d275e3bca101631e0a2098776cd8d753521b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03984",
    "kind": "arxiv",
    "version": 1
  }
}