Pith Number

pith:QQYYWNXJ

pith:2008:QQYYWNXJT4AEMT3RPOFI4OERLP

not attested not anchored not stored refs pending

Identifying nearby field T dwarfs in the UKIDSS Galactic Clusters Survey

(3) University of Edinburgh, B. Burningham (2), D. J. Pinfield (2) ((1) IAC, N. C. Hambly (3), N. Lodieu (1), Royal Observatory, Spain (2) University of Hertfordshire, Tenerife, UK, UK)

arxiv:0812.2358 v1 · 2008-12-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQYYWNXJT4AEMT3RPOFI4OERLP}

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	2026-05-18T02:15:10.657063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84318b36e99f00464f717b8a8e38915bc25afe8393c2c3bad544a926b5f60ecc

Aliases

arxiv: 0812.2358 · arxiv_version: 0812.2358v1 · doi: 10.48550/arxiv.0812.2358 · pith_short_12: QQYYWNXJT4AE · pith_short_16: QQYYWNXJT4AEMT3R · pith_short_8: QQYYWNXJ

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/QQYYWNXJT4AEMT3RPOFI4OERLP \
  | 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: 84318b36e99f00464f717b8a8e38915bc25afe8393c2c3bad544a926b5f60ecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8d1815f16166febbe0d3cc5b1e749cfe2945adc5d66341a7bffa853b3b60ab5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-12T11:53:31Z",
    "title_canon_sha256": "9dfd73a3cf0af63b237788b259e8f5716dc0cfa034d8a84a645d6d4646eeef26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2358",
    "kind": "arxiv",
    "version": 1
  }
}