Pith Number

pith:YZJXCCX7

pith:2021:YZJXCCX7HSSFRXKVXJMUAP7C6L

not attested not anchored not stored refs pending

DBSP_DRP: A Python package for automated spectroscopic data reduction of DBSP data

Christoffer Fremling, Mansi M. Kasliwal, Milan Sharma Mandigo-Stoba

arxiv:2107.12339 v1 · 2021-07-26 · 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{YZJXCCX7HSSFRXKVXJMUAP7C6L}

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	2026-07-05T05:19:51.029601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c653710aff3ca458dd55ba59403fe2f2d1eb65b19d829d47aa36e07e1def7f69

Aliases

arxiv: 2107.12339 · arxiv_version: 2107.12339v1 · doi: 10.48550/arxiv.2107.12339 · pith_short_12: YZJXCCX7HSSF · pith_short_16: YZJXCCX7HSSFRXKV · pith_short_8: YZJXCCX7

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/YZJXCCX7HSSFRXKVXJMUAP7C6L \
  | 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: c653710aff3ca458dd55ba59403fe2f2d1eb65b19d829d47aa36e07e1def7f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ad1e96291ee6fdaf7479b89301f09095a4d080a70481a8fc94d496061907b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-07-26T17:22:29Z",
    "title_canon_sha256": "57617c949a5a7fff51c252b82029337c43a7cb63427df5ef932454bec4ae281a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12339",
    "kind": "arxiv",
    "version": 1
  }
}