Pith Number

pith:OI6WQMNX

pith:2012:OI6WQMNXH6HW47JWYTSY55Y75M

not attested not anchored not stored refs pending

Characterizing Foreground for redshifted 21-cm radiation: 150 MHz GMRT observations

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

arxiv:1208.1617 v1 · 2012-08-08 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OI6WQMNXH6HW47JWYTSY55Y75M}

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	2026-05-18T03:42:33.697782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

723d6831b73f8f6e7d36c4e58ef71feb3043408a494be421f7a870e2715fd590

Aliases

arxiv: 1208.1617 · arxiv_version: 1208.1617v1 · doi: 10.48550/arxiv.1208.1617 · pith_short_12: OI6WQMNXH6HW · pith_short_16: OI6WQMNXH6HW47JW · pith_short_8: OI6WQMNX

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/OI6WQMNXH6HW47JWYTSY55Y75M \
  | 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: 723d6831b73f8f6e7d36c4e58ef71feb3043408a494be421f7a870e2715fd590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4a718038dbc0bc396ccce60282844e2112a566fb570e53919fa51fee3ee0e7a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-08T09:15:36Z",
    "title_canon_sha256": "9e7a1822558e07d130aaa685c295500d8330ba540919737a9d6f4d1d62ab111b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1617",
    "kind": "arxiv",
    "version": 1
  }
}