Pith Number

pith:4ROJWSGX

pith:2023:4ROJWSGXXMOLFDMTHP7QUBT7XX

not attested not anchored not stored refs pending

Unveiling the formation of the massive DR21 ridge

A. G. G. M. Tielens, E. Chambers, J. M. Jackson, L. Bonne, M. Tiwari, N. Schneider, R. Klein, R. Simon, S. Bontemps, S. D. Clarke, T. Csengeri, U. Graf, Y. Okada

arxiv:2305.07785 v1 · 2023-05-12 · 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{4ROJWSGXXMOLFDMTHP7QUBT7XX}

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	2026-07-05T06:32:28.047642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45c9b48d7bb1cb28d933bff0a067fbdf5e55eab29934bcdbdd4ef4ada57ac31

Aliases

arxiv: 2305.07785 · arxiv_version: 2305.07785v1 · doi: 10.48550/arxiv.2305.07785 · pith_short_12: 4ROJWSGXXMOL · pith_short_16: 4ROJWSGXXMOLFDMT · pith_short_8: 4ROJWSGX

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/4ROJWSGXXMOLFDMTHP7QUBT7XX \
  | 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: e45c9b48d7bb1cb28d933bff0a067fbdf5e55eab29934bcdbdd4ef4ada57ac31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db1c0931ffb02b5e9ef5aeb1f618fcd4367bc9f76738fc0546f173489a2e75b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-05-12T22:18:59Z",
    "title_canon_sha256": "509d4463a58899d14c5e6f179f10b1f564f020c04f7ac5d599aa4f3a71d603af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.07785",
    "kind": "arxiv",
    "version": 1
  }
}