Pith Number

pith:4TT7PT5H

pith:2020:4TT7PT5HGB23DNYLYAERFDHQNT

not attested not anchored not stored refs pending

Spectroscopy of the first resolved strongly lensed Type Ia supernova iPTF16geu

A. Dugas, A. Goobar, A. Sagu\'es Carracedo, D. Goldstein, E. M\"ortsell, J. Johansson, K. De, L. Della Bruna, M. M. Kasliwal, P. E. Nugent, R. Amanullah, R. Lunnan, S. B. Cenko, S. Dhawan, S. H. Price, S. Papadogiannakis, S. R. Kulkarni

arxiv:2004.10164 v1 · 2020-04-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TT7PT5HGB23DNYLYAERFDHQNT}

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	2026-07-05T02:01:11.574904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e7f7cfa73075b1b70bc009128cf06cfe2c455d6f1ee58fd7f8c3fc55686aa3

Aliases

arxiv: 2004.10164 · arxiv_version: 2004.10164v1 · doi: 10.48550/arxiv.2004.10164 · pith_short_12: 4TT7PT5HGB23 · pith_short_16: 4TT7PT5HGB23DNYL · pith_short_8: 4TT7PT5H

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/4TT7PT5HGB23DNYLYAERFDHQNT \
  | 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: e4e7f7cfa73075b1b70bc009128cf06cfe2c455d6f1ee58fd7f8c3fc55686aa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c02a155b90f1e5e54a3fc5b1273fae5c5a2702aad9033faadd209aa62a15b24a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-21T17:18:55Z",
    "title_canon_sha256": "74c3c86807b957f9712f5ac8e9e08f40434969aea0d25f733a3690e3f200c26d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.10164",
    "kind": "arxiv",
    "version": 1
  }
}