Pith Number

pith:UI5PZX52

pith:2012:UI5PZX52NCY6ZBAHWGTXVMVH5M

not attested not anchored not stored refs pending

The Brown Dwarf Kinematics Project (BDKP). III. Parallaxes for 70 Ultracool Dwarfs

Adam J. Burgasser, Andrew A. West, Frederick J. Vrba, Frederick M. Walter, Guillem Anglada-Escud, Jacqueline K. Faherty, Kelle L. Cruz, Michael M. Shara, Nicole van der Bliek

arxiv:1203.5543 v1 · 2012-03-25 · 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{UI5PZX52NCY6ZBAHWGTXVMVH5M}

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	2026-05-18T01:58:02.004549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23afcdfba68b1ec8407b1a77ab2a7eb004b8032066d05946c61a70970724c0e

Aliases

arxiv: 1203.5543 · arxiv_version: 1203.5543v1 · doi: 10.48550/arxiv.1203.5543 · pith_short_12: UI5PZX52NCY6 · pith_short_16: UI5PZX52NCY6ZBAH · pith_short_8: UI5PZX52

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/UI5PZX52NCY6ZBAHWGTXVMVH5M \
  | 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: a23afcdfba68b1ec8407b1a77ab2a7eb004b8032066d05946c61a70970724c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a06c86a2f2841eed6bb2a1d5d371bb18129a53498bdba77834e1b10528db0ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-25T21:02:59Z",
    "title_canon_sha256": "f1dd374ddf0ec6f8ff0b12b26695a584d20805b939af3462b543d2b2ee548045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5543",
    "kind": "arxiv",
    "version": 1
  }
}