Pith Number

pith:J7F23DOC

pith:2017:J7F23DOC2M3JDBXQCRUC2JU64O

not attested not anchored not stored refs pending

A search for pre- and proto-brown dwarfs in the dark cloud Barnard 30 with ALMA

A. Bayo, A. Palau, C. Eiroa, D. Barrado, F. M\'enard, I. de Gregorio-Monsalvo, L. Zapata, M. Morales-Calder\'on, M.T. Ruiz, N. Hu\'elamo, O. Morata

arxiv:1712.06400 v1 · 2017-12-18 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7F23DOC2M3JDBXQCRUC2JU64O}

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	2026-05-18T00:27:17.283382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fcbad8dc2d3369186f014682d269ee3b2fc23ec14e7713d85c424e5710d1816

Aliases

arxiv: 1712.06400 · arxiv_version: 1712.06400v1 · doi: 10.48550/arxiv.1712.06400 · pith_short_12: J7F23DOC2M3J · pith_short_16: J7F23DOC2M3JDBXQ · pith_short_8: J7F23DOC

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/J7F23DOC2M3JDBXQCRUC2JU64O \
  | 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: 4fcbad8dc2d3369186f014682d269ee3b2fc23ec14e7713d85c424e5710d1816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d281994f48d16aa37aa80a46613c215f58b090c92167314dc7abd0e3acd7f886",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-18T13:54:51Z",
    "title_canon_sha256": "263f15a243490090edc4555537cc91eebcb65340dbd2ce01cf6f91282201bf40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06400",
    "kind": "arxiv",
    "version": 1
  }
}