Pith Number

pith:PDGBHVMJ

pith:2021:PDGBHVMJEK2ZDNFJKDCNIOIELC

not attested not anchored not stored refs pending

SDSS-IV MaStar: Data-driven Parameter Derivation for the MaStar Stellar Library

Claudia Maraston, Daniel Lazarz, Daniel Thomas, Dmitry Bizyaev, Guy S. Stringfellow, Jon A. Holtzman, Julie Imig, Lewis Hill, Moire M. K. Prescott, Niv Drory, Rachael L. Beaton, Renbin Yan, Yanping Chen

arxiv:2112.01669 v1 · 2021-12-03 · astro-ph.IM · 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{PDGBHVMJEK2ZDNFJKDCNIOIELC}

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	2026-07-05T03:48:47.746919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78cc13d58922b591b4a950c4d43904589bd3b593d0db9f0f158a2d81d6b2f30a

Aliases

arxiv: 2112.01669 · arxiv_version: 2112.01669v1 · doi: 10.48550/arxiv.2112.01669 · pith_short_12: PDGBHVMJEK2Z · pith_short_16: PDGBHVMJEK2ZDNFJ · pith_short_8: PDGBHVMJ

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/PDGBHVMJEK2ZDNFJKDCNIOIELC \
  | 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: 78cc13d58922b591b4a950c4d43904589bd3b593d0db9f0f158a2d81d6b2f30a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4404f632a6b7d10aaaa14e59ff4542472a0b706b848bc9aa61a13745f2484c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-12-03T01:29:45Z",
    "title_canon_sha256": "f5efd033f3a5894b03b41f1985452450a73de1089fa1b6653bbec5bd11c89caa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01669",
    "kind": "arxiv",
    "version": 1
  }
}