Pith Number

pith:F5DLYOX5

pith:2009:F5DLYOX5B5WZQWIR6WCDWTLEJL

not attested not anchored not stored refs pending

Detection of Signals from Cosmic Reionization using Radio Interferometric Signal Processing

A. Datta (NMT, C.L. Carilli (NRAO), NRAO), S. Bhatnagar (NRAO)

arxiv:0908.2639 v1 · 2009-08-18 · 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{F5DLYOX5B5WZQWIR6WCDWTLEJL}

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	2026-05-18T02:12:25.415847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f46bc3afd0f6d985911f5843b4d644afce371d72eba72ec97fd62e2259ae054

Aliases

arxiv: 0908.2639 · arxiv_version: 0908.2639v1 · doi: 10.48550/arxiv.0908.2639 · pith_short_12: F5DLYOX5B5WZ · pith_short_16: F5DLYOX5B5WZQWIR · pith_short_8: F5DLYOX5

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/F5DLYOX5B5WZQWIR6WCDWTLEJL \
  | 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: 2f46bc3afd0f6d985911f5843b4d644afce371d72eba72ec97fd62e2259ae054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62fc28d0ab373d47332104f70dd432167f7481aabb4ba5ebc8d2980258a0036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-18T20:55:21Z",
    "title_canon_sha256": "3d3486bc08206ae9e4b7c2e8ca6b67204e3fbd2cd71c4fba710ca4e99a78f41d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2639",
    "kind": "arxiv",
    "version": 1
  }
}