Pith Number

pith:PUFI6FVW

pith:2020:PUFI6FVWFGUV35WHQZKTZIV4RC

not attested not anchored not stored refs pending

Collision between Molecular Clouds I. The effect of the cloud virial ratio in head-on collisions

James E Dale, Tabassum S Tanvir

arxiv:2003.05010 v2 · 2020-03-10 · 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{PUFI6FVWFGUV35WHQZKTZIV4RC}

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	2026-07-05T00:47:41.345133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d0a8f16b629a95df6c786553ca2bc88849b269a80f2217d715314f2f7ab103f

Aliases

arxiv: 2003.05010 · arxiv_version: 2003.05010v2 · doi: 10.48550/arxiv.2003.05010 · pith_short_12: PUFI6FVWFGUV · pith_short_16: PUFI6FVWFGUV35WH · pith_short_8: PUFI6FVW

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/PUFI6FVWFGUV35WHQZKTZIV4RC \
  | 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: 7d0a8f16b629a95df6c786553ca2bc88849b269a80f2217d715314f2f7ab103f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7431e29dbeacf48a32391e7c72dd17ad17d8ec8e2288cb0c9854e3c7b6e5c91d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-03-10T21:28:40Z",
    "title_canon_sha256": "ce9c6c9526bcc713c1cb9f3f49d79de7e3123212d14f6dea28970218d8c23fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.05010",
    "kind": "arxiv",
    "version": 2
  }
}