Pith Number

pith:TWLE6OQG

pith:2025:TWLE6OQGA3IDDU3VVJK7DC6GOG

not attested not anchored not stored refs pending

The Young Ages of 70 {\mu}m-dark Clumps Inferred from Carbon Chain Chemistry

Brian E. Svoboda, David S. Meier, Jennifer Patience, Juergen Ott, Kadin Worthen, Rachel Friesen, Yancy Shirley

arxiv:2502.04283 v1 · 2025-02-06 · 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{TWLE6OQGA3IDDU3VVJK7DC6GOG}

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	2026-07-05T10:10:36.134287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d964f3a0606d031d375aa55f18bc671a3005b11f2ef620692268d75e2ad05ff

Aliases

arxiv: 2502.04283 · arxiv_version: 2502.04283v1 · doi: 10.48550/arxiv.2502.04283 · pith_short_12: TWLE6OQGA3ID · pith_short_16: TWLE6OQGA3IDDU3V · pith_short_8: TWLE6OQG

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/TWLE6OQGA3IDDU3VVJK7DC6GOG \
  | 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: 9d964f3a0606d031d375aa55f18bc671a3005b11f2ef620692268d75e2ad05ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9200b3054d49a8d45ab8234cce9c0c6d18831fdae95849eb243513df623e762d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-06T18:30:57Z",
    "title_canon_sha256": "66efbd35b5758f9c9ee3b4f03e131a274cef4758b27774ea7684945bf26df024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04283",
    "kind": "arxiv",
    "version": 1
  }
}