Pith Number

pith:YZUL2EQF

pith:2018:YZUL2EQFJX4L6RDWNXNHE6FGWI

not attested not anchored not stored refs pending

Dating the tidal disruption of globular clusters with Gaia data on their stellar streams

Abraham Loeb (Harvard), Idan Ginsburg (Harvard), Sownak Bose (Harvard)

arxiv:1804.07770 v2 · 2018-04-20 · 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{YZUL2EQFJX4L6RDWNXNHE6FGWI}

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	2026-05-18T00:14:07.717864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c668bd12054df8bf44766dda7278a6b231ce90deb35e849187e0f7bf7bc59ed7

Aliases

arxiv: 1804.07770 · arxiv_version: 1804.07770v2 · doi: 10.48550/arxiv.1804.07770 · pith_short_12: YZUL2EQFJX4L · pith_short_16: YZUL2EQFJX4L6RDW · pith_short_8: YZUL2EQF

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/YZUL2EQFJX4L6RDWNXNHE6FGWI \
  | 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: c668bd12054df8bf44766dda7278a6b231ce90deb35e849187e0f7bf7bc59ed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54b4d7c10fa667878b89e175ed90ce89854a7b09ec43b73ffcd9b034973e4fdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-20T18:00:07Z",
    "title_canon_sha256": "3bc31bc960599d10007cb15c73485b08e76ce7f267c4c63690290bef9a860e52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07770",
    "kind": "arxiv",
    "version": 2
  }
}