Pith Number

pith:XPNL3VHB

pith:2020:XPNL3VHBSV52DCIUN6LWPQQULE

not attested not anchored not stored refs pending

The historical record of massive star formation in Cygnus

A.A. Djupvik, A. Pasquali, F. Comer\'on, N. Schneider

arxiv:2009.12779 v1 · 2020-09-27 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPNL3VHBSV52DCIUN6LWPQQULE}

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

1 paper in Pith

JWST Reveals a Galaxy-Wide Association of Red Supergiants with OB Stars in NGC 5584

Receipt and verification

First computed	2026-07-05T01:57:54.806429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbdabdd4e1957ba189146f9767c2145907a2335eced901e80139255912b7fe0c

Aliases

arxiv: 2009.12779 · arxiv_version: 2009.12779v1 · doi: 10.48550/arxiv.2009.12779 · pith_short_12: XPNL3VHBSV52 · pith_short_16: XPNL3VHBSV52DCIU · pith_short_8: XPNL3VHB

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/XPNL3VHBSV52DCIUN6LWPQQULE \
  | 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: bbdabdd4e1957ba189146f9767c2145907a2335eced901e80139255912b7fe0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a41b8d1d3ea42d925babfc380f3ff66d3d2ef69f1717448eebc9942c1913b6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-27T07:53:46Z",
    "title_canon_sha256": "3a307f729408aac15f2f42ff8aa38d19531653da65fe0dde9a212e1a4783a4d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12779",
    "kind": "arxiv",
    "version": 1
  }
}