Pith Number

pith:VVYPDN3T

pith:2012:VVYPDN3TVIAACEUFKYHK7JZD23

not attested not anchored not stored refs pending

New brown dwarf disks in Upper Scorpius observed with WISE

A. Natta, A. Scholz, D. Padgett, K. A. Marsh, K. Wood, M. E. Ressler, P. Dawson, T. P. Ray

arxiv:1211.4484 v2 · 2012-11-16 · 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{VVYPDN3TVIAACEUFKYHK7JZD23}

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	2026-05-18T03:39:52.580517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad70f1b773aa00011285560eafa723d6db6fb5b52c18e16e6608f21b7a901c64

Aliases

arxiv: 1211.4484 · arxiv_version: 1211.4484v2 · doi: 10.48550/arxiv.1211.4484 · pith_short_12: VVYPDN3TVIAA · pith_short_16: VVYPDN3TVIAACEUF · pith_short_8: VVYPDN3T

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/VVYPDN3TVIAACEUFKYHK7JZD23 \
  | 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: ad70f1b773aa00011285560eafa723d6db6fb5b52c18e16e6608f21b7a901c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0c83d773488fe6e339338c04e617d8214d5a940e2363bc4f4ce31ccfd56ca1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-16T15:16:39Z",
    "title_canon_sha256": "a7a7c2a7d9940629c18fc4cdd08ec6275c09339317ca2d40917febbb2797682c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4484",
    "kind": "arxiv",
    "version": 2
  }
}