Pith Number

pith:EM2IJFBC

pith:2012:EM2IJFBCDKNGPJ7QSA42ZDOQ2C

not attested not anchored not stored refs pending

UKIDSS detections of cool brown dwarfs - proper motions of 14 known $>$T5 dwarfs and discovery of three new T5.5-T6 dwarfs

Gabriel Bihain, Jesper Storm, Olivier Schnurr, Ralf-Dieter Scholz

arxiv:1204.2380 v1 · 2012-04-11 · 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{EM2IJFBCDKNGPJ7QSA42ZDOQ2C}

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	2026-05-18T01:57:53.678952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23348494221a9a67a7f09039ac8dd0d0b6e03e02cca0cafe16d5665f7fd6d460

Aliases

arxiv: 1204.2380 · arxiv_version: 1204.2380v1 · doi: 10.48550/arxiv.1204.2380 · pith_short_12: EM2IJFBCDKNG · pith_short_16: EM2IJFBCDKNGPJ7Q · pith_short_8: EM2IJFBC

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/EM2IJFBCDKNGPJ7QSA42ZDOQ2C \
  | 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: 23348494221a9a67a7f09039ac8dd0d0b6e03e02cca0cafe16d5665f7fd6d460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66277191a7e8034009e746af0764ba5fac09f3e6d27bc2a3429225c415e07daa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-11T09:18:00Z",
    "title_canon_sha256": "d6966ad416556c4f92a950e10d9c4ded033ec004d1475ae83d599a2e4ceb7d71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2380",
    "kind": "arxiv",
    "version": 1
  }
}