Pith Number

pith:YMHGHHKZ

pith:2008:YMHGHHKZDA2TXMWLUESFGWDAN6

not attested not anchored not stored refs pending

Spitzer IRS Observations of Disks around Brown Dwarfs in the TW Hydra Association

A. L. Morrow, B. Sargent, C. Espaillat, C. J. Bohac, D. M. Watson, K. L. Luhman, L. Adame, L. Hartmann, N. Calvet, P. D'Alessio, W. J. Forrest

arxiv:0802.1732 v1 · 2008-02-12 · 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{YMHGHHKZDA2TXMWLUESFGWDAN6}

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	2026-07-04T15:09:30.466560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c30e639d5918353bb2cba1245358606fbeb99609a60683cd3126c1e3e676d160

Aliases

arxiv: 0802.1732 · arxiv_version: 0802.1732v1 · doi: 10.48550/arxiv.0802.1732 · pith_short_12: YMHGHHKZDA2T · pith_short_16: YMHGHHKZDA2TXMWL · pith_short_8: YMHGHHKZ

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/YMHGHHKZDA2TXMWLUESFGWDAN6 \
  | 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: c30e639d5918353bb2cba1245358606fbeb99609a60683cd3126c1e3e676d160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a781a57ccd4bebf8debb5ec1743042a9456bf77c9674e439415ad0fc3fc1041c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-12T22:19:08Z",
    "title_canon_sha256": "6fd3f0c4d24231cd2432d2f2b22f6c6839f5df82f2b53d00d1eb1e282ab9595c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.1732",
    "kind": "arxiv",
    "version": 1
  }
}