Pith Number

pith:EFA6T335

pith:2015:EFA6T335YXZDW2UYYSGGTNTMLR

not attested not anchored not stored refs pending

What is a GMC? Are Observers and Simulators Discussing the Same Star-forming Clouds?

Dario Colombo, Elizabeth J. Tasker, Erik Rosolowsky, Hsi-An Pan, James Wadsley, Samantha M. Benincasa, Yusuke Fujimoto

arxiv:1508.01647 v1 · 2015-08-07 · 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{EFA6T335YXZDW2UYYSGGTNTMLR}

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	2026-05-18T01:32:59.357134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2141e9ef7dc5f23b6a98c48c69b66c5c5eb9e68cf33aaca02d38f97b0275a197

Aliases

arxiv: 1508.01647 · arxiv_version: 1508.01647v1 · doi: 10.48550/arxiv.1508.01647 · pith_short_12: EFA6T335YXZD · pith_short_16: EFA6T335YXZDW2UY · pith_short_8: EFA6T335

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/EFA6T335YXZDW2UYYSGGTNTMLR \
  | 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: 2141e9ef7dc5f23b6a98c48c69b66c5c5eb9e68cf33aaca02d38f97b0275a197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a523c9517561ad591ef649d941eaf96ac939d2649fa3253290b0b959107ebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-07T10:19:07Z",
    "title_canon_sha256": "f981189abd8b5654ff0670729db855f6477c15803a81dbdaa4ee1041cf676d12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01647",
    "kind": "arxiv",
    "version": 1
  }
}