Pith Number

pith:ZUM5KJPT

pith:2005:ZUM5KJPTGSODBK4FW2TAPETNZL

not attested not anchored not stored refs pending

Discovery of Five Very Low Mass Close Binaries, Resolved in the Visible with Lucky Imaging

Cambridge), C.D. Mackay (IOA, N.M. Law, S.T. Hodgkin

arxiv:astro-ph/0512449 v2 · 2005-12-17 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUM5KJPTGSODBK4FW2TAPETNZL}

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	2026-07-04T16:53:09.904684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd19d525f3349c30ab85b6a607926dcac7fa06ac84baa83b29511e1fb3577a7f

Aliases

arxiv: astro-ph/0512449 · arxiv_version: astro-ph/0512449v2 · doi: 10.48550/arxiv.astro-ph/0512449 · pith_short_12: ZUM5KJPTGSOD · pith_short_16: ZUM5KJPTGSODBK4F · pith_short_8: ZUM5KJPT

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/ZUM5KJPTGSODBK4FW2TAPETNZL \
  | 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: cd19d525f3349c30ab85b6a607926dcac7fa06ac84baa83b29511e1fb3577a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa95f448ea6de4a7ac4041ea7c260e4a55dd30089d4481525f16d108c0b86abe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-17T18:32:08Z",
    "title_canon_sha256": "8f9085eb064ff71430689d9a019d3aa61cce914a6287b4c1794ca2bcc96cc03f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512449",
    "kind": "arxiv",
    "version": 2
  }
}