Pith Number

pith:V6F7ENDV

pith:2011:V6F7ENDVYEKYJN4EUE7GGD6Y4F

not attested not anchored not stored refs pending

The discovery of the T8.5 dwarf UGPS J0521+3640

A. C. Day-Jones, Ben Burningham, B. Sipocz, C. G. Tinney, D. Baker, D. Homeier, D. J. Pinfield, D. N. Murray, F. Allard, F. Marocco, G. Kovacs, H.R.A. Jones, J. Gomes, N. Lodieu, P.W. Lucas, R. Smart, S. K. Leggett, Z. H. Zhang

arxiv:1104.1526 v3 · 2011-04-08 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6F7ENDVYEKYJN4EUE7GGD6Y4F}

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	2026-05-18T02:02:36.390350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8bf23475c11584b784a13e630fd8e17888b7a0d7762c88efbff06804af5631

Aliases

arxiv: 1104.1526 · arxiv_version: 1104.1526v3 · doi: 10.48550/arxiv.1104.1526 · pith_short_12: V6F7ENDVYEKY · pith_short_16: V6F7ENDVYEKYJN4E · pith_short_8: V6F7ENDV

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/V6F7ENDVYEKYJN4EUE7GGD6Y4F \
  | 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: af8bf23475c11584b784a13e630fd8e17888b7a0d7762c88efbff06804af5631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748e649962e354eca6cacca8eb5a94714b43ace16ee714c86b63e6d360dadbdc",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-08T09:05:42Z",
    "title_canon_sha256": "ed460f51b820a0d2f2bc8933c60d17f951d8892c8a7a3370581c68862ddeba38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1526",
    "kind": "arxiv",
    "version": 3
  }
}