Pith Number

pith:T6WE7HLF

pith:2025:T6WE7HLFIXZ5HN4XEWOJCFTX6P

not attested not anchored not stored refs pending

A possible trail of dust from a young, highly-extincted brown dwarf in the outskirts of the Trapezium Cluster

Mark J. McCaughrean, Richard A. Booth, Samuel G. Pearson, Thomas J. Haworth

arxiv:2502.04447 v2 · 2025-02-06 · 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{T6WE7HLFIXZ5HN4XEWOJCFTX6P}

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	2026-07-05T10:12:04.033162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fac4f9d6545f3d3b797259c911677f3ca96cf81efbd6362ee93c931efab8e07

Aliases

arxiv: 2502.04447 · arxiv_version: 2502.04447v2 · doi: 10.48550/arxiv.2502.04447 · pith_short_12: T6WE7HLFIXZ5 · pith_short_16: T6WE7HLFIXZ5HN4X · pith_short_8: T6WE7HLF

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/T6WE7HLFIXZ5HN4XEWOJCFTX6P \
  | 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: 9fac4f9d6545f3d3b797259c911677f3ca96cf81efbd6362ee93c931efab8e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1968d1e95442e2dcc7ec5c58a55409154ccf896be81d8e28d26a5292eff55173",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-02-06T19:00:06Z",
    "title_canon_sha256": "da36ba237c4b739166534e666074bca5a210d54f644f9ee0bc4b67fc97cf6eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04447",
    "kind": "arxiv",
    "version": 2
  }
}