Pith Number

pith:YQDRWAFZ

pith:2010:YQDRWAFZ67KTUAI7T3PA6G5TGO

not attested not anchored not stored refs pending

Formation Pumping of Molecular Hydrogen in Dark Clouds

Cesare Cecchi-Pestellini, Farahjabeen Islam, Serena Viti, Silvia Casu

arxiv:1010.3040 v1 · 2010-10-14 · 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{YQDRWAFZ67KTUAI7T3PA6G5TGO}

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	2026-05-18T02:05:04.762930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4071b00b9f7d53a011f9ede0f1bb3338e3d14ef33ea38df8df66fa01b953c7a

Aliases

arxiv: 1010.3040 · arxiv_version: 1010.3040v1 · doi: 10.48550/arxiv.1010.3040 · pith_short_12: YQDRWAFZ67KT · pith_short_16: YQDRWAFZ67KTUAI7 · pith_short_8: YQDRWAFZ

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/YQDRWAFZ67KTUAI7T3PA6G5TGO \
  | 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: c4071b00b9f7d53a011f9ede0f1bb3338e3d14ef33ea38df8df66fa01b953c7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66de1d30b0282be3b9924c8b3efb529715176024bb78d8603bd0c0fa1d4864e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-10-14T22:28:43Z",
    "title_canon_sha256": "526875b2a70bd54eac32bc493fb228571fac399982a4487304c763f10f0a5e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3040",
    "kind": "arxiv",
    "version": 1
  }
}