Pith Number

pith:DBD4MFVT

pith:2020:DBD4MFVT6GZELCDYOSYHKRCSIK

not attested not anchored not stored refs pending

The Carina High-Contrast Imaging Project for massive Stars (CHIPS) I. Methodology and proof of concept on QZ Car ($\equiv$ HD93206)

A. Rainot, C. A. Gomez-Gonzalez, H. Sana, H. Zinnecker, J.-B. Le Bouquin, J. Bodensteiner, J. De Ridder, K. Kratter, L. A. Almeida, L. Pueyo, M. Reggiani, O. Absil, P. Delorme, S. Caballero-Nieves, S. Lacour, V. Christiaens

arxiv:2006.01914 v1 · 2020-06-02 · 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{DBD4MFVT6GZELCDYOSYHKRCSIK}

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	2026-07-05T03:34:41.744582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1847c616b3f1b245887874b07544524289f356b8c2cc4c1ae576e40abc79a2b5

Aliases

arxiv: 2006.01914 · arxiv_version: 2006.01914v1 · doi: 10.48550/arxiv.2006.01914 · pith_short_12: DBD4MFVT6GZE · pith_short_16: DBD4MFVT6GZELCDY · pith_short_8: DBD4MFVT

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/DBD4MFVT6GZELCDYOSYHKRCSIK \
  | 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: 1847c616b3f1b245887874b07544524289f356b8c2cc4c1ae576e40abc79a2b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc0e50f2a4a8f9661480c9d43b8d8261817804725cef0e081a27c179def9d54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-06-02T19:50:06Z",
    "title_canon_sha256": "a9c7cb7c4ebdf5dff4b1351d7d3d2a2fe200a4e1ddf6940e7cca016c1e4181e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.01914",
    "kind": "arxiv",
    "version": 1
  }
}