Pith Number

pith:75EVKZIY

pith:2013:75EVKZIYM3SZLDJYT2JIAMBMQ2

not attested not anchored not stored refs pending

The Kinematic Age of the Coolest T Dwarfs

Ben Burningham, David Pinfield, Federico Marocco, Hugh Jones, James Clarke, Leigh Smith, Philip Lucas, Ricky Smart

arxiv:1303.5288 v1 · 2013-03-21 · 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{75EVKZIYM3SZLDJYT2JIAMBMQ2}

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	2026-05-18T03:30:13.279001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4955651866e5958d389e9280302c8695906e95dd6c7488bf8413c56e1208e3

Aliases

arxiv: 1303.5288 · arxiv_version: 1303.5288v1 · doi: 10.48550/arxiv.1303.5288 · pith_short_12: 75EVKZIYM3SZ · pith_short_16: 75EVKZIYM3SZLDJY · pith_short_8: 75EVKZIY

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/75EVKZIYM3SZLDJYT2JIAMBMQ2 \
  | 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: ff4955651866e5958d389e9280302c8695906e95dd6c7488bf8413c56e1208e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88b2421643dc68e2ab47bf89b710c8774a4db01f26fb7d7c2039fb9a59eea266",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-21T15:11:37Z",
    "title_canon_sha256": "08e46bb54ec38f6663a049e9993b1aa575088858dc1719c269327e25b23d6d42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5288",
    "kind": "arxiv",
    "version": 1
  }
}