Pith Number

pith:KBP73THN

pith:2009:KBP73THN345G54BMUEH24ACKXE

not attested not anchored not stored refs pending

Parallactic Motion for Companion Discovery: An M-Dwarf Orbiting Alcor

1), 2), (2) AMNH, (3) Caltech, (4) IoA Cambridge, 5, (5) Stony Brook, 6), (6) CfAO, (7) NExScI, 8), (8) JPL, (9) STScI), Anand Sivaramakrishnan (2, Antonin Bouchez (3), Ben R. Oppenheimer (2, Charles Beichman (7, David L. King (4), Douglas Brenner (2), Gautam Vasisht (8), Ian R. Parry (4), Jennifer E. Roberts (8), Justin R. Crepp (3), Lewis C. Roberts Jr. (8), Lynne Hillenbrand (3), Michael Shao (8), Neil Zimmerman (1, R\'emi Soummer (9), Richard Dekany (3), Rick Burruss (8), Sasha Hinkley (3), Stephanie Hunt (4) ((1) Columbia

arxiv:0912.1597 v1 · 2009-12-09 · astro-ph.IM · 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{KBP73THN345G54BMUEH24ACKXE}

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	2026-05-18T02:33:57.157809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

505ffdcceddf3a6ef02ca10fae004ab9299f6420fa5e93e1adb12c7af5932e2e

Aliases

arxiv: 0912.1597 · arxiv_version: 0912.1597v1 · doi: 10.48550/arxiv.0912.1597 · pith_short_12: KBP73THN345G · pith_short_16: KBP73THN345G54BM · pith_short_8: KBP73THN

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/KBP73THN345G54BMUEH24ACKXE \
  | 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: 505ffdcceddf3a6ef02ca10fae004ab9299f6420fa5e93e1adb12c7af5932e2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc2fb0376e335e1c87eddb86c1e216e637862417d5c5951e975f729f587de113",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-12-09T00:32:59Z",
    "title_canon_sha256": "9efccfe4c78069e1fb6fe67a184781345c38bc601c37f2ce94765916e6b32b81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1597",
    "kind": "arxiv",
    "version": 1
  }
}