Pith Number

pith:R3ETTCHE

pith:2006:R3ETTCHEXSIR7KWSEMKX5GXKQH

not attested not anchored not stored refs pending

The possiblity of detection of Ultracool Dwarfs with the UKIRT Infrared Deep Sky Survey

Institute for Astronomy, N.R. Deacon & N.C. Hambly (SUPA, School of Physics, University of Edinburgh)

arxiv:astro-ph/0607305 v1 · 2006-07-13 · 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{R3ETTCHEXSIR7KWSEMKX5GXKQH}

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	2026-07-04T16:59:07.665796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ec93988e4bc911faad223157e9aea81e1d6c87bd67aa1a7380a753c787e2329

Aliases

arxiv: astro-ph/0607305 · arxiv_version: astro-ph/0607305v1 · doi: 10.48550/arxiv.astro-ph/0607305 · pith_short_12: R3ETTCHEXSIR · pith_short_16: R3ETTCHEXSIR7KWS · pith_short_8: R3ETTCHE

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/R3ETTCHEXSIR7KWSEMKX5GXKQH \
  | 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: 8ec93988e4bc911faad223157e9aea81e1d6c87bd67aa1a7380a753c787e2329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba774905c329a83aeb865c9ca50111edf5c7ccea06f7fbb271bc90f7eb2b096",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-13T20:00:36Z",
    "title_canon_sha256": "703ba86a84feb3e25693b2118182044f52782de57abbee7a7a23617745201042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607305",
    "kind": "arxiv",
    "version": 1
  }
}