Pith Number

pith:5KJPSGDH

pith:2009:5KJPSGDH6PTQGI2AYOYYOAVMG7

not attested not anchored not stored refs pending

V819 Tau: A Rare Weak-Lined T Tauri Star with a Weak Infrared Excess

(2) University of Rochester, (3) STScI, Baltimore, B. A. Sargent (3), CA, Caltech, Dan M. Watson (2) ((1) JPL, E. Furlan (1), K. H. Kim (2), MD), NY, Pasadena, P. Manoj (2), Rochester, W. J. Forrest (2)

arxiv:0911.0035 v1 · 2009-10-30 · 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{5KJPSGDH6PTQGI2AYOYYOAVMG7}

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	2026-05-18T02:34:12.335860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea92f91867f3e7032340c3b18702ac37e335480b126e22a6719392c54d8f62cf

Aliases

arxiv: 0911.0035 · arxiv_version: 0911.0035v1 · doi: 10.48550/arxiv.0911.0035 · pith_short_12: 5KJPSGDH6PTQ · pith_short_16: 5KJPSGDH6PTQGI2A · pith_short_8: 5KJPSGDH

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/5KJPSGDH6PTQGI2AYOYYOAVMG7 \
  | 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: ea92f91867f3e7032340c3b18702ac37e335480b126e22a6719392c54d8f62cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeadfc5bd20af286a915833ec282c5af92c7120f8f24cb85e6c6ff0cb51e0977",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-30T22:48:00Z",
    "title_canon_sha256": "fd1d9208d7cd39f95a3b3acda4e6856e2639b0fe35778bdf23768c019d5c10c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0035",
    "kind": "arxiv",
    "version": 1
  }
}