Pith Number

pith:MFRLMN4R

pith:2020:MFRLMN4RIFPLFLLNSRP6OWODLZ

not attested not anchored not stored refs pending

A catalog of over ten million variable source candidates in ZTF data release 1

Avishay Gal-Yam, Eran O. Ofek, Frank Masci, Guy Nir, Maayane Soumagnac, Peter Nugent, Shrinivas R. Kulkarni

arxiv:2007.01537 v1 · 2020-07-03 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFRLMN4RIFPLFLLNSRP6OWODLZ}

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	2026-07-05T01:48:48.396678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6162b63791415eb2ad6d945fe759c35e4b7797d94e635721ac90327285d62397

Aliases

arxiv: 2007.01537 · arxiv_version: 2007.01537v1 · doi: 10.48550/arxiv.2007.01537 · pith_short_12: MFRLMN4RIFPL · pith_short_16: MFRLMN4RIFPLFLLN · pith_short_8: MFRLMN4R

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/MFRLMN4RIFPLFLLNSRP6OWODLZ \
  | 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: 6162b63791415eb2ad6d945fe759c35e4b7797d94e635721ac90327285d62397

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c79e376f61ac74f956e5d1b10d11671772cab6591117eab5e99c89c90621dee",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-07-03T07:59:29Z",
    "title_canon_sha256": "d14874e3eafeb5e048df0f83f937ad17d409c8a58ab7a783c5970e2fd6782c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01537",
    "kind": "arxiv",
    "version": 1
  }
}