Pith Number

pith:FGN6PRGT

pith:2025:FGN6PRGTGJFMIM7ZBUEXIUY2ZH

not attested not anchored not stored refs pending

ZTF-observed late-time signals of pre-ZTF transients

Jacco H. Terwel, Jesper Sollerman, Kate Maguire, Matthew J. Graham, Niharika Sravan, Phil Wiseman, Reed Riddle, Russ R. Laher, Tracy X. Chen

arxiv:2503.19558 v1 · 2025-03-25 · 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{FGN6PRGTGJFMIM7ZBUEXIUY2ZH}

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	2026-07-05T11:02:21.775728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

299be7c4d3324ac433f90d0974531ac9fe22687cbd0137d268659e7ca3fa497a

Aliases

arxiv: 2503.19558 · arxiv_version: 2503.19558v1 · doi: 10.48550/arxiv.2503.19558 · pith_short_12: FGN6PRGTGJFM · pith_short_16: FGN6PRGTGJFMIM7Z · pith_short_8: FGN6PRGT

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/FGN6PRGTGJFMIM7ZBUEXIUY2ZH \
  | 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: 299be7c4d3324ac433f90d0974531ac9fe22687cbd0137d268659e7ca3fa497a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f3bb508515429d19d4884be3200703a12685eb0d1716cfb7d6effed50a511ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-03-25T11:24:29Z",
    "title_canon_sha256": "cd0fd5428123aa8836777ffb5641ad7c681098438471bacc537c0c1ade02e331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.19558",
    "kind": "arxiv",
    "version": 1
  }
}