Pith Number

pith:QAPHDX3X

pith:2017:QAPHDX3X43ZFHNBL5J2POCS4F2

not attested not anchored not stored refs pending

HI Intensity Mapping with MeerKAT

Alkistis Pourtsidou

arxiv:1709.07316 v1 · 2017-09-21 · 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{QAPHDX3X43ZFHNBL5J2POCS4F2}

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.

Cited by

1 paper in Pith

Forecasts of cosmological constraints from HI intensity mapping with FAST, BINGO & SKA-I

Receipt and verification

First computed	2026-05-18T00:34:36.066563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

801e71df77e6f253b42bea74f70a5c2eb0803de22b9e518eaa5314977562a810

Aliases

arxiv: 1709.07316 · arxiv_version: 1709.07316v1 · doi: 10.48550/arxiv.1709.07316 · pith_short_12: QAPHDX3X43ZF · pith_short_16: QAPHDX3X43ZFHNBL · pith_short_8: QAPHDX3X

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/QAPHDX3X43ZFHNBL5J2POCS4F2 \
  | 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: 801e71df77e6f253b42bea74f70a5c2eb0803de22b9e518eaa5314977562a810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4d41d81ca58e06ba16bceb99e2dfe37d6000321e1f431662a39b63e70656f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-09-21T13:35:48Z",
    "title_canon_sha256": "b91fbb54d0fd1a656df1aec29d5fe61071ceb6d3ec88bb06d0441ba32f241ca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07316",
    "kind": "arxiv",
    "version": 1
  }
}