Pith Number

pith:DNZX4BTI

pith:2017:DNZX4BTIMPULAGRCPRYH5A2HFB

not attested not anchored not stored refs pending

VLA observations of the disk around the young brown dwarf 2MASS J044427+2512

H. Rome, L. Ricci, L. Testi, P. Pinilla, S. Facchini, T. Birnstiel

arxiv:1707.07197 v1 · 2017-07-22 · astro-ph.EP · 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{DNZX4BTIMPULAGRCPRYH5A2HFB}

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	2026-05-18T00:36:02.922832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b737e066863e8b01a227c707e8347285d65bb8025515da45aeb1f075bfd0132

Aliases

arxiv: 1707.07197 · arxiv_version: 1707.07197v1 · doi: 10.48550/arxiv.1707.07197 · pith_short_12: DNZX4BTIMPUL · pith_short_16: DNZX4BTIMPULAGRC · pith_short_8: DNZX4BTI

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/DNZX4BTIMPULAGRCPRYH5A2HFB \
  | 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: 1b737e066863e8b01a227c707e8347285d65bb8025515da45aeb1f075bfd0132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5044bea0f49ced74c620f0357454e542048e900d3e816adf353cf2e30ccbede",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-07-22T17:28:39Z",
    "title_canon_sha256": "a0c81589bf75ac0573e323d58080e46adac22a99d546cc4ee61b74ab2d6ae691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07197",
    "kind": "arxiv",
    "version": 1
  }
}