Pith Number

pith:73K7XVZ5

pith:2016:73K7XVZ5MLDPSMKCN7HMLZYDPU

not attested not anchored not stored refs pending

Constraining Milky Way mass with Hypervelocity Stars

Abraham Loeb, Giacomo Fragione

arxiv:1608.01517 v2 · 2016-08-04 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73K7XVZ5MLDPSMKCN7HMLZYDPU}

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	2026-05-18T00:46:16.520531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fed5fbd73d62c6f931426fcec5e7037d3edcef5999661aad4abc56bd0f52e16d

Aliases

arxiv: 1608.01517 · arxiv_version: 1608.01517v2 · doi: 10.48550/arxiv.1608.01517 · pith_short_12: 73K7XVZ5MLDP · pith_short_16: 73K7XVZ5MLDPSMKC · pith_short_8: 73K7XVZ5

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/73K7XVZ5MLDPSMKCN7HMLZYDPU \
  | 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: fed5fbd73d62c6f931426fcec5e7037d3edcef5999661aad4abc56bd0f52e16d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22f727b59435f7eef14f6cd05f6a1401df67b2f7a23021c1c8389c86b21c723",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-04T12:42:56Z",
    "title_canon_sha256": "0c86cd9e12a91c0deec9821c447e308c14d13d621613c99332ac55e144005258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01517",
    "kind": "arxiv",
    "version": 2
  }
}