Pith Number

pith:3HYIV6F4

pith:2017:3HYIV6F4ICMFRQB5FY3WUHO6FP

not attested not anchored not stored refs pending

Matched filtering with interferometric 21cm experiments

Martin White, Nikhil Padmanabhan

arxiv:1705.09669 v2 · 2017-05-26 · 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{3HYIV6F4ICMFRQB5FY3WUHO6FP}

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	2026-05-18T00:38:02.419920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9f08af8bc409858c03d2e376a1dde2bc15067b54d8e3b5a426832ad4c6d4dd9

Aliases

arxiv: 1705.09669 · arxiv_version: 1705.09669v2 · doi: 10.48550/arxiv.1705.09669 · pith_short_12: 3HYIV6F4ICMF · pith_short_16: 3HYIV6F4ICMFRQB5 · pith_short_8: 3HYIV6F4

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/3HYIV6F4ICMFRQB5FY3WUHO6FP \
  | 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: d9f08af8bc409858c03d2e376a1dde2bc15067b54d8e3b5a426832ad4c6d4dd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e72052bb127a8a72eca5a4a741cf147396244675f1c57da62504ad1443caf0b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-05-26T18:01:11Z",
    "title_canon_sha256": "d5749e3096c09dbb385e80dfc687c5271d7ea66fa09b454b1da67335fd48d512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09669",
    "kind": "arxiv",
    "version": 2
  }
}