Pith Number

pith:6QZK4J4F

pith:2024:6QZK4J4FNNKXVNVBTFT7IOZWSS

not attested not anchored not stored refs pending

Optical properties of Y dwarfs observed with the Gran Telescopio Canarias

Eduardo L. Mart\'in, Honorio Lanchas, Jerry J.-Y. Zhang, Nicolas Lodieu, Tarik Shahbaz, Yakiv V. Pavlenko

arxiv:2403.12464 v1 · 2024-03-19 · 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{6QZK4J4FNNKXVNVBTFT7IOZWSS}

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	2026-07-05T07:58:01.926562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f432ae27856b557ab6a19967f43b3694a8705af3864bc66a1fe3d506cd216a4b

Aliases

arxiv: 2403.12464 · arxiv_version: 2403.12464v1 · doi: 10.48550/arxiv.2403.12464 · pith_short_12: 6QZK4J4FNNKX · pith_short_16: 6QZK4J4FNNKXVNVB · pith_short_8: 6QZK4J4F

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/6QZK4J4FNNKXVNVBTFT7IOZWSS \
  | 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: f432ae27856b557ab6a19967f43b3694a8705af3864bc66a1fe3d506cd216a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1fe43073cde8155aeadb72312cba117773846bec9922b87ea6bae03bab67db5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-03-19T05:45:27Z",
    "title_canon_sha256": "78609de148af52d0adead7b6af52d6d813ee5070d5202c35aca9777e3a619e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.12464",
    "kind": "arxiv",
    "version": 1
  }
}