Pith Number

pith:7BSUJ7S6

pith:2021:7BSUJ7S66E672HUH77GM4OFGLC

not attested not anchored not stored refs pending

The STAR-MELT Python package for emission line analysis of YSOs

Antonio Frasca, Aurora Sicilia-Aguilar, Carlo F. Manara, Justyn Campbell-White, Min Fang, Soko Matsumura, Veronica Roccatagliata

arxiv:2108.02552 v1 · 2021-08-05 · astro-ph.SR · 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{7BSUJ7S66E672HUH77GM4OFGLC}

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	2026-07-05T03:06:35.442088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f86544fe5ef13dfd1e87ffccce38a658a7d64bef99fa6d2f9473f3e44090ed3f

Aliases

arxiv: 2108.02552 · arxiv_version: 2108.02552v1 · doi: 10.48550/arxiv.2108.02552 · pith_short_12: 7BSUJ7S66E67 · pith_short_16: 7BSUJ7S66E672HUH · pith_short_8: 7BSUJ7S6

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/7BSUJ7S66E672HUH77GM4OFGLC \
  | 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: f86544fe5ef13dfd1e87ffccce38a658a7d64bef99fa6d2f9473f3e44090ed3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f5908d2c8ef5a1d6ed366d8210c431d92a974a5f7ca9e5b51447630a04b2b1",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-05T12:19:38Z",
    "title_canon_sha256": "587285611b7b8b9e7952ce35712d2f6ea446bb97f8ac2ddc53f1185e6d31f2e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02552",
    "kind": "arxiv",
    "version": 1
  }
}