Pith Number

pith:UYA5MKRN

pith:2011:UYA5MKRNNMZFE5G7NADKVIWTNK

not attested not anchored not stored refs pending

Near-Infrared Spectroscopy of TW Hya: A Revised Spectral Type and Comparison with Magnetospheric Accretion Models

G\"oran Sandell, William D. Vacca

arxiv:1102.0535 v1 · 2011-02-02 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYA5MKRNNMZFE5G7NADKVIWTNK}

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	2026-05-18T02:03:17.446729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a601d62a2d6b325274df6806aaa2d36a82188e9f6fd566fd46330df0245f2c24

Aliases

arxiv: 1102.0535 · arxiv_version: 1102.0535v1 · doi: 10.48550/arxiv.1102.0535 · pith_short_12: UYA5MKRNNMZF · pith_short_16: UYA5MKRNNMZFE5G7 · pith_short_8: UYA5MKRN

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/UYA5MKRNNMZFE5G7NADKVIWTNK \
  | 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: a601d62a2d6b325274df6806aaa2d36a82188e9f6fd566fd46330df0245f2c24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d09d45d508253cbac04710988ac5c8f81febd043d0d13df7301c3f54a95dde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-02T19:27:18Z",
    "title_canon_sha256": "205ad2d5947a0753423e93bb532d66b4d9a4d8884c0e0f5ef8a13a8f6dd2208f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0535",
    "kind": "arxiv",
    "version": 1
  }
}