Pith Number

pith:4EXLC4H6

pith:2010:4EXLC4H6GKXFSXLWPU3RHRFVXQ

not attested not anchored not stored refs pending

Deep Near-Infrared Imaging of the rho Oph Cloud Core: Clues to the Origin of the Lowest-Mass Brown Dwarfs

J. Davy Kirkpatrick, Kenneth A. Marsh, Patrick J. Lowrance, Peter Plavchan, Roc M. Cutri, Thangasamy Velusamy

arxiv:1006.2506 v1 · 2010-06-13 · astro-ph.SR · 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{4EXLC4H6GKXFSXLWPU3RHRFVXQ}

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	2026-05-18T02:06:54.172753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12eb170fe32ae595d767d3713c4b5bc16e810024eeea327a9037d5a9017677d

Aliases

arxiv: 1006.2506 · arxiv_version: 1006.2506v1 · doi: 10.48550/arxiv.1006.2506 · pith_short_12: 4EXLC4H6GKXF · pith_short_16: 4EXLC4H6GKXFSXLW · pith_short_8: 4EXLC4H6

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/4EXLC4H6GKXFSXLWPU3RHRFVXQ \
  | 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: e12eb170fe32ae595d767d3713c4b5bc16e810024eeea327a9037d5a9017677d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5814b16a8ca480574a263d1334da742136f70e3223aa785f9921833679ec3b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-13T02:41:16Z",
    "title_canon_sha256": "03d63a9237553d45610227b976b7afe187c3aae4c31cdd9943992e46c45be951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2506",
    "kind": "arxiv",
    "version": 1
  }
}