Pith Number

pith:42EAYWOY

pith:2012:42EAYWOYOKFKR3MQ7WOUKCSEEN

not attested not anchored not stored refs pending

MMT Hypervelocity Star Survey. II. Five New Unbound Stars

Margaret J. Geller, Scott J. Kenyon (Smithsonian Astrophysical Observatory), Warren R. Brown

arxiv:1203.3543 v1 · 2012-03-15 · astro-ph.GA · 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{42EAYWOYOKFKR3MQ7WOUKCSEEN}

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	2026-05-18T01:58:08.258536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6880c59d8728aa8ed90fd9d450a442363ce193d6b151b4cf79fb47f5e9dbc32

Aliases

arxiv: 1203.3543 · arxiv_version: 1203.3543v1 · doi: 10.48550/arxiv.1203.3543 · pith_short_12: 42EAYWOYOKFK · pith_short_16: 42EAYWOYOKFKR3MQ · pith_short_8: 42EAYWOY

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/42EAYWOYOKFKR3MQ7WOUKCSEEN \
  | 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: e6880c59d8728aa8ed90fd9d450a442363ce193d6b151b4cf79fb47f5e9dbc32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b57f340130ba0de541ece2a168eda5a22bc0fd40ecac60721e20bcbc68b1b7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-15T20:00:09Z",
    "title_canon_sha256": "54eddbf9005d5a4ad62918dfe59459423644ee86b5c39e8cdc518b2b80613dfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3543",
    "kind": "arxiv",
    "version": 1
  }
}