Pith Number

pith:ZHDP6XFD

pith:2020:ZHDP6XFDJQE3ZPI4YMWYUWQV3H

not attested not anchored not stored refs pending

Towards An Integrated Optical Transient Utility

S. R. Kulkarni

arxiv:2004.03511 v2 · 2020-04-07 · astro-ph.IM · 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{ZHDP6XFDJQE3ZPI4YMWYUWQV3H}

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.

Cited by

3 papers in Pith

slicersim: A python package to simulate image slicer spectroscopic observations -- application to the Lazuli Spectrograph

Leveraging Multimodality for Real-Time Classification of Transients and Variables found by the Zwicky Transient Facility

Photometry is all you need: supernova classification as a mixing problem

Receipt and verification

First computed	2026-07-05T00:54:33.867345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9c6ff5ca34c09bcbd1cc32d8a5a15d9e3b02099c0dbc8431421e538d314d9ed

Aliases

arxiv: 2004.03511 · arxiv_version: 2004.03511v2 · doi: 10.48550/arxiv.2004.03511 · pith_short_12: ZHDP6XFDJQE3 · pith_short_16: ZHDP6XFDJQE3ZPI4 · pith_short_8: ZHDP6XFD

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/ZHDP6XFDJQE3ZPI4YMWYUWQV3H \
  | 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: c9c6ff5ca34c09bcbd1cc32d8a5a15d9e3b02099c0dbc8431421e538d314d9ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6651add870dc4672585626f3a0dad600200b28631d6f0e47fb5ec683e307b41",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-04-07T16:09:02Z",
    "title_canon_sha256": "b21ae7b177d3c73cfc1662f5b108ed095dd8fa2df1837772c4723e1c55991f3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03511",
    "kind": "arxiv",
    "version": 2
  }
}