Pith Number

pith:GCRYP6IE

pith:2014:GCRYP6IEH55AJOOG67EMPN5ELS

not attested not anchored not stored refs pending

A method to improve the sensitivity of radio telescopes

Lingze Duan, Richard Lieu, Tom W.B. Kibble

arxiv:1409.7039 v1 · 2014-09-24 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCRYP6IEH55AJOOG67EMPN5ELS}

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	2026-05-18T01:41:57.165217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30a387f9043f7a04b9c6f7c8c7b7a45ca1f71fc09b86d601cb3bb0684d4283da

Aliases

arxiv: 1409.7039 · arxiv_version: 1409.7039v1 · doi: 10.48550/arxiv.1409.7039 · pith_short_12: GCRYP6IEH55A · pith_short_16: GCRYP6IEH55AJOOG · pith_short_8: GCRYP6IE

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/GCRYP6IEH55AJOOG67EMPN5ELS \
  | 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: 30a387f9043f7a04b9c6f7c8c7b7a45ca1f71fc09b86d601cb3bb0684d4283da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272e786d539def54051f115984b01baf3ab29b615792a7dc168b6a871e999617",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-09-24T18:37:15Z",
    "title_canon_sha256": "ff08de619ddbf864860f607d22cd93b227996e99ea9fd8a7be940f4f7d0abb13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7039",
    "kind": "arxiv",
    "version": 1
  }
}