Pith Number

pith:HSSDCQA5

pith:2012:HSSDCQA5IYDOIZTCEKEALKDJNL

not attested not anchored not stored refs pending

2M1155-79 (= T Cha B): A Low-mass, Wide-separation Companion to the Nearby, "Old" T Tauri Star T Cha

2), (2) West Irondequoit High School, (3) RSAA, 4) ((1) Center for Imaging Science, (4) INAF-Osservatorio Astrofisico di Arcetri, E. Thompson (1, Florence, G. G. Sacco (1, Italy), Joel H. Kastner (1), Laboratory for Multiwavelength Astrophysics, Mount Stromlo Observatory, M. S. Bessell (3), NY, R. Montez Jr. (1), Rochester, Rochester Institute of Technology, S. J. Murphy (3), The Australian National University, USA

arxiv:1202.0262 v1 · 2012-02-01 · 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{HSSDCQA5IYDOIZTCEKEALKDJNL}

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	2026-05-18T01:58:36.704383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ca431401d4606e46662228805a8696ad13236656863e5243b1fe2135c29623c

Aliases

arxiv: 1202.0262 · arxiv_version: 1202.0262v1 · doi: 10.48550/arxiv.1202.0262 · pith_short_12: HSSDCQA5IYDO · pith_short_16: HSSDCQA5IYDOIZTC · pith_short_8: HSSDCQA5

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/HSSDCQA5IYDOIZTCEKEALKDJNL \
  | 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: 3ca431401d4606e46662228805a8696ad13236656863e5243b1fe2135c29623c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d685432efe823b3b704db28bc6ac5216a282a563057798ffbceb697549f502",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-01T20:25:17Z",
    "title_canon_sha256": "7946c787f1548d53fe1ec66d633f63de721a54d7e7849889354e3c61c63b4a58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0262",
    "kind": "arxiv",
    "version": 1
  }
}