Pith Number

pith:EMPB74WK

pith:2020:EMPB74WKJZGXUWYCMXLXFJIGCK

not attested not anchored not stored refs pending

The HSC-SSP Transient Survey: Implications from Early Photometry and Rise Time of Normal Type Ia Supernovae

Ichiro Takahashi, Ji-an Jiang, Keiichi Maeda, Ken'ichi Nomoto, Mamoru Doi, Masaomi Tanaka, Naoki Yasuda, Nao Suzuki, Nozomu Tominaga, Takashi J. Moriya, Tomoki Morokuma, Toshikazu Shigeyama

arxiv:2002.10737 v2 · 2020-02-25 · astro-ph.HE · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMPB74WKJZGXUWYCMXLXFJIGCK}

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	2026-07-05T00:51:42.202619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

231e1ff2ca4e4d7a5b0265d772a50612816b6be6eb9095f5ed3e846ff1e632ed

Aliases

arxiv: 2002.10737 · arxiv_version: 2002.10737v2 · doi: 10.48550/arxiv.2002.10737 · pith_short_12: EMPB74WKJZGX · pith_short_16: EMPB74WKJZGXUWYC · pith_short_8: EMPB74WK

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/EMPB74WKJZGXUWYCMXLXFJIGCK \
  | 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: 231e1ff2ca4e4d7a5b0265d772a50612816b6be6eb9095f5ed3e846ff1e632ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a60c76c1abb019bf4a4b24397db36219d444aa6dc6502c0e5c221e8720e12a50",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-02-25T08:46:27Z",
    "title_canon_sha256": "27c9727eced6a1fc17949eb4dde7eda7e24353b3927653b5557fb7654f69b640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10737",
    "kind": "arxiv",
    "version": 2
  }
}