Pith Number

pith:UM6DXE2V

pith:2024:UM6DXE2VE7GDOZSDQHX2SNCOME

not attested not anchored not stored refs pending

Externally irradiated young stars in NGC 3603. A JWST NIRSpec catalogue of pre-main-sequence stars in a massive star formation region

Bernhard Brandl, Ciar\'an Rogers, Guido De Marchi

arxiv:2412.05650 v3 · 2024-12-07 · astro-ph.SR · astro-ph.EP · 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{UM6DXE2VE7GDOZSDQHX2SNCOME}

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	2026-07-05T11:26:25.056160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33c3b935527cc37664381efa9344e610dd1ad1926803b24111cdbde1fe96bf5

Aliases

arxiv: 2412.05650 · arxiv_version: 2412.05650v3 · doi: 10.48550/arxiv.2412.05650 · pith_short_12: UM6DXE2VE7GD · pith_short_16: UM6DXE2VE7GDOZSD · pith_short_8: UM6DXE2V

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/UM6DXE2VE7GDOZSDQHX2SNCOME \
  | 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: a33c3b935527cc37664381efa9344e610dd1ad1926803b24111cdbde1fe96bf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66bf93d533024cce90cca712f8371064d9d02e1c211feb2efda73aec1de0dff",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-12-07T13:33:40Z",
    "title_canon_sha256": "934ec7d9212df8542997ce4c9cf3e14c8bac6bdf5ade8dbf0a1ec5dfd33edc7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.05650",
    "kind": "arxiv",
    "version": 3
  }
}