Pith Number

pith:Y3LWHSWA

pith:2020:Y3LWHSWA2DJYX4GSPXFGCAWVY5

not attested not anchored not stored refs pending

An HI intensity mapping survey with a Phased Array Feed

Jonghwan Rhee, Lincheng Li, Lister Staveley-Smith

arxiv:2008.04081 v2 · 2020-08-10 · 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{Y3LWHSWA2DJYX4GSPXFGCAWVY5}

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	2026-07-05T02:27:24.435690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6d763cac0d0d38bf0d27dca6102d5c749dd89cfd5dae10f72ca150704b288f7

Aliases

arxiv: 2008.04081 · arxiv_version: 2008.04081v2 · doi: 10.48550/arxiv.2008.04081 · pith_short_12: Y3LWHSWA2DJY · pith_short_16: Y3LWHSWA2DJYX4GS · pith_short_8: Y3LWHSWA

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/Y3LWHSWA2DJYX4GSPXFGCAWVY5 \
  | 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: c6d763cac0d0d38bf0d27dca6102d5c749dd89cfd5dae10f72ca150704b288f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f846766aa8b6cb1985aa7d7848d862a306da682cd7fe9ccdb3e33c5721e3ae65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-08-10T12:54:17Z",
    "title_canon_sha256": "b67983354bf5ac8793701a884f3b2bab9bc2065fb552350f919efae4d10a4dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.04081",
    "kind": "arxiv",
    "version": 2
  }
}