Pith Number

pith:USVILJXY

pith:2021:USVILJXY7D7GSLSPQPFOKVDZW4

not attested not anchored not stored refs pending

The Milky Way Project: Probing Star Formation with First Results on Yellowballs from DR2

Anupa Pouydal, Aurora Cossairt, C. R. Kerton, Grace Wolf-Chase, Johanna Mori, Kathryn Devine, Leonardo Trujillo, Matthew Povich, Sarah Schoultz, Tharindu Jayasinghe

arxiv:2102.01661 v2 · 2021-02-02 · 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{USVILJXY7D7GSLSPQPFOKVDZW4}

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	2026-07-05T02:33:28.152941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4aa85a6f8f8fe692e4f83cae55479b724a4c0064d17b24eb1a6d6ae7b1a012a

Aliases

arxiv: 2102.01661 · arxiv_version: 2102.01661v2 · doi: 10.48550/arxiv.2102.01661 · pith_short_12: USVILJXY7D7G · pith_short_16: USVILJXY7D7GSLSP · pith_short_8: USVILJXY

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/USVILJXY7D7GSLSPQPFOKVDZW4 \
  | 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: a4aa85a6f8f8fe692e4f83cae55479b724a4c0064d17b24eb1a6d6ae7b1a012a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8f713525137b808aa11c485dedb68cbd1c30e951d21fcbc81898de94152e589",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-02T18:22:47Z",
    "title_canon_sha256": "fb520dfe069872a232d8b9a4b22f96262322d05bb32d4518092c095478edb8aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01661",
    "kind": "arxiv",
    "version": 2
  }
}