Pith Number

pith:7VKSPH6E

pith:2010:7VKSPH6EFSK3HAWP65CQ3CN2MZ

not attested not anchored not stored refs pending

GMRT observation towards detecting the Post-reionization 21-cm signal

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

arxiv:1010.4489 v1 · 2010-10-21 · 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{7VKSPH6EFSK3HAWP65CQ3CN2MZ}

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	2026-05-18T04:21:52.913807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd55279fc42c95b382cff7450d89ba665383c39e85825ff56dd1dd8c6e178f21

Aliases

arxiv: 1010.4489 · arxiv_version: 1010.4489v1 · doi: 10.48550/arxiv.1010.4489 · pith_short_12: 7VKSPH6EFSK3 · pith_short_16: 7VKSPH6EFSK3HAWP · pith_short_8: 7VKSPH6E

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/7VKSPH6EFSK3HAWP65CQ3CN2MZ \
  | 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: fd55279fc42c95b382cff7450d89ba665383c39e85825ff56dd1dd8c6e178f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f8a24e72f15a75a1218fe2c0cdbb1690aba8abdcab914930eb87532f8c633a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-21T14:46:59Z",
    "title_canon_sha256": "7c3c4fb354583a876ec949497a6fa0932e027e0385c7e6ead559c4ca69734ad6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4489",
    "kind": "arxiv",
    "version": 1
  }
}