Pith Number

pith:4QE233IY

pith:2020:4QE233IYWGA7TFB23UABHSEDJL

not attested not anchored not stored refs pending

ATLASGAL-selected massive clumps in the inner Galaxy: VIII. Chemistry of photodissociation regions

F. Wyrowski, J. P. P\'erez-Beaupuits, J. S. Urquhart, K. M. Menten, M. Tiwari, T. Pillai, W.-J. Kim

arxiv:2009.14238 v1 · 2020-09-29 · 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{4QE233IYWGA7TFB23UABHSEDJL}

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	2026-07-05T02:03:46.982153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e409aded18b181f9943add0013c8834afadfde33958af39cd1e83ae1cc76ad79

Aliases

arxiv: 2009.14238 · arxiv_version: 2009.14238v1 · doi: 10.48550/arxiv.2009.14238 · pith_short_12: 4QE233IYWGA7 · pith_short_16: 4QE233IYWGA7TFB2 · pith_short_8: 4QE233IY

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/4QE233IYWGA7TFB23UABHSEDJL \
  | 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: e409aded18b181f9943add0013c8834afadfde33958af39cd1e83ae1cc76ad79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1da70c477da2adff385c9a348d346ae383ae796f72bd022530aceacbd73193af",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-29T18:11:32Z",
    "title_canon_sha256": "869388fbd1af0a57ea2d03ada0dd8616a5cdc5976bddaec259ce5bbb97decf57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14238",
    "kind": "arxiv",
    "version": 1
  }
}