Pith Number

pith:AZ4B7JHP

pith:2013:AZ4B7JHPBQPICBKS4BOJI3GW4D

not attested not anchored not stored refs pending

Chemical and Physical Conditions in Molecular Cloud Core DC 000.4-19.5 (SL42) in Corona Australis

D.C.B. Whittet, E.E. Hardegree-Ullman, J. Harju, M. Juvela, O. Sipila, S. Hotzel

arxiv:1301.2939 v1 · 2013-01-14 · 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{AZ4B7JHPBQPICBKS4BOJI3GW4D}

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	2026-05-18T03:36:27.748888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06781fa4ef0c1e810552e05c946cd6e0c29612c81290085b2bfe51480b113656

Aliases

arxiv: 1301.2939 · arxiv_version: 1301.2939v1 · doi: 10.48550/arxiv.1301.2939 · pith_short_12: AZ4B7JHPBQPI · pith_short_16: AZ4B7JHPBQPICBKS · pith_short_8: AZ4B7JHP

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/AZ4B7JHPBQPICBKS4BOJI3GW4D \
  | 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: 06781fa4ef0c1e810552e05c946cd6e0c29612c81290085b2bfe51480b113656

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "028096f27be537cf18adb2d43d56c5d525ba6429bb10b0a087012a3c13d7f89d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-14T12:11:50Z",
    "title_canon_sha256": "a4030e07f310286be2de4744f4a10aee7a5ef179f2e77b3601c8f252eb94f858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2939",
    "kind": "arxiv",
    "version": 1
  }
}