Pith Number

pith:WTIDSWTK

pith:2011:WTIDSWTKMQVRM4LTX4JQ7KLYN7

not attested not anchored not stored refs pending

Improved foreground removal in GMRT 610 MHz observations towards redshifted 21-cm tomography

Abhik Ghosh, Jayaram N. Chengalur, Sk. Saiyad Ali, Somnath Bharadwaj

arxiv:1108.3707 v1 · 2011-08-18 · 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{WTIDSWTKMQVRM4LTX4JQ7KLYN7}

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	2026-05-18T04:06:44.736577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4d0395a6a642b167173bf130fa9786ff79edb848322a8c815dfd32ab60ad805

Aliases

arxiv: 1108.3707 · arxiv_version: 1108.3707v1 · doi: 10.48550/arxiv.1108.3707 · pith_short_12: WTIDSWTKMQVR · pith_short_16: WTIDSWTKMQVRM4LT · pith_short_8: WTIDSWTK

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/WTIDSWTKMQVRM4LTX4JQ7KLYN7 \
  | 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: b4d0395a6a642b167173bf130fa9786ff79edb848322a8c815dfd32ab60ad805

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df2508cf1477d8a8ff504f18ffe1d41e08492ff56d698c76eedaf668c26a42f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-18T10:24:58Z",
    "title_canon_sha256": "2585cb640ee906f4270ed69f17e0e7fd6ef795eb79af16bf35fcbccb287488e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3707",
    "kind": "arxiv",
    "version": 1
  }
}