Pith Number

pith:UGF6EB6S

pith:2022:UGF6EB6SFHGH6X6BZLCEP4IKBA

not attested not anchored not stored refs pending

Search and identification of transient and variable radio sources using MeerKAT observations: a case study on the MAXI J1820+070 field

A. Andersson, A.J. van der Horst, A. Rowlinson, E. Tremou, G.R. Sivakoff, I. Heywood, J. Bright, J. Meijn, L.N. Driessen, P.A. Woudt, R.A.M.J. Wijers, R. Fender, S. Chastain, S. Fijma

arxiv:2203.16918 v2 · 2022-03-31 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGF6EB6SFHGH6X6BZLCEP4IKBA}

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	2026-07-05T04:57:06.337914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18be207d229cc7f5fc1cac447f10a083b6370bbf8c1d77ebbbea81a9a19020c

Aliases

arxiv: 2203.16918 · arxiv_version: 2203.16918v2 · doi: 10.48550/arxiv.2203.16918 · pith_short_12: UGF6EB6SFHGH · pith_short_16: UGF6EB6SFHGH6X6B · pith_short_8: UGF6EB6S

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/UGF6EB6SFHGH6X6BZLCEP4IKBA \
  | 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: a18be207d229cc7f5fc1cac447f10a083b6370bbf8c1d77ebbbea81a9a19020c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ad7bef45d77834809872349052485d846a21064add6d5cc7e5d51f711dc89c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-03-31T09:41:16Z",
    "title_canon_sha256": "47b5a2d9818fbe75050df808af743f1fff22873b00c9ca50b325cbc8bd405a91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16918",
    "kind": "arxiv",
    "version": 2
  }
}