Pith Number

pith:W7X3SYML

pith:2009:W7X3SYMLPZKS3DZH7KDSXYHNHN

not attested not anchored not stored refs pending

The Physical Properties of Four ~600K T Dwarfs

A. K. Mainzer, B. Burningham, D. J. Pinfield, D. Saumon, E. L. Martin, G. C. Sloan, H. R. A. Jones, J. D. Kirkpatrick, J. van Cleve, M. C. Cushing, M. J. McCaughrean, M. S. Marley, M. Tamura, N. Lodieu, P. W. Lucas, R. L. Smart, S. J. Warren, S. K. Leggett, T. L. Roellig

arxiv:0901.4093 v1 · 2009-01-26 · 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{W7X3SYMLPZKS3DZH7KDSXYHNHN}

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	2026-05-18T04:29:17.163624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7efb9618b7e552d8f27fa872be0ed3b60dc5e146de8b8d463ef9508773cd82b

Aliases

arxiv: 0901.4093 · arxiv_version: 0901.4093v1 · doi: 10.48550/arxiv.0901.4093 · pith_short_12: W7X3SYMLPZKS · pith_short_16: W7X3SYMLPZKS3DZH · pith_short_8: W7X3SYML

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/W7X3SYMLPZKS3DZH7KDSXYHNHN \
  | 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: b7efb9618b7e552d8f27fa872be0ed3b60dc5e146de8b8d463ef9508773cd82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18addd7914be6b265cf7cd9909a4fdb3a57497b8d7183e716da994cbbcbbf390",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-26T20:31:39Z",
    "title_canon_sha256": "6acaebb661043ccee1d08bf6dfd60fb7dd8d9e5a8cb23b96017ad433c6bfcbd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4093",
    "kind": "arxiv",
    "version": 1
  }
}