Pith Number

pith:4DBU47DX

pith:2015:4DBU47DXQLGJQB5XLFJKCBQSDH

not attested not anchored not stored refs pending

Nascent bipolar outflows associated with the first hydrostatic core candidates Barnard 1b-N and 1b-S

A. Fuente, B. Commer\c{c}on, J. Cernicharo, J. Pety, M. Gerin, N. Marcelino

arxiv:1504.06648 v1 · 2015-04-24 · 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{4DBU47DXQLGJQB5XLFJKCBQSDH}

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	2026-05-18T02:03:32.433564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0c34e7c7782cc9807b75952a1061219d21308f877bca8cc87404c2b0d2125e1

Aliases

arxiv: 1504.06648 · arxiv_version: 1504.06648v1 · doi: 10.48550/arxiv.1504.06648 · pith_short_12: 4DBU47DXQLGJ · pith_short_16: 4DBU47DXQLGJQB5X · pith_short_8: 4DBU47DX

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/4DBU47DXQLGJQB5XLFJKCBQSDH \
  | 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: e0c34e7c7782cc9807b75952a1061219d21308f877bca8cc87404c2b0d2125e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0bbd031d9fa988dfbdf6d4c87f5089b238f1e4d91332df2a6286561833dafb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-24T21:39:59Z",
    "title_canon_sha256": "a53fb429dc5e6a970eee6884099ee86f759a7c9b8ed504bec1ca5dadb6195467"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06648",
    "kind": "arxiv",
    "version": 1
  }
}