Pith Number

pith:HBU42F44

pith:2015:HBU42F44RERKUBJMDGDM67A4PS

not attested not anchored not stored refs pending

New Extinction and Mass Estimates from Optical Photometry of the Very Low Mass Brown Dwarf Companion CT Chamaeleontis B with the Magellan AO System

Alfio Puglisi, Jared R. Males, Katherine B. Follette, Katie M. Morzinski, Laird M. Close, Marco Xompero, Philip Hinz, Runa Briguglio, Timothy J. Rodigas, Travis S. Barman, Vanessa Bailey, Ya-Lin Wu

arxiv:1501.01396 v1 · 2015-01-07 · 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{HBU42F44RERKUBJMDGDM67A4PS}

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	2026-05-18T01:41:14.109810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3869cd179c8922aa052c1986cf7c1c7c93751f1962696e947f63f3a56ac0f307

Aliases

arxiv: 1501.01396 · arxiv_version: 1501.01396v1 · doi: 10.48550/arxiv.1501.01396 · pith_short_12: HBU42F44RERK · pith_short_16: HBU42F44RERKUBJM · pith_short_8: HBU42F44

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/HBU42F44RERKUBJMDGDM67A4PS \
  | 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: 3869cd179c8922aa052c1986cf7c1c7c93751f1962696e947f63f3a56ac0f307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83eef3fdae2e1e4cbcfb0078ae0b6de4f0b7adad3417ab77091c60d13d2df149",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-07T08:53:15Z",
    "title_canon_sha256": "637f1fb101fe21b23794a5fa45caaa2ee5297edf75f5f8d8999ae94c80563d88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01396",
    "kind": "arxiv",
    "version": 1
  }
}