Pith Number

pith:5SVIW7KE

pith:2018:5SVIW7KESF2V3GVXJ5BX2XXL5Z

not attested not anchored not stored refs pending

The viscous evolution of circumstellar discs in young star clusters

Eero Vaher, Francisca Concha-Ram\'irez, Simon Portegies Zwart

arxiv:1810.02368 v2 · 2018-10-04 · 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{5SVIW7KESF2V3GVXJ5BX2XXL5Z}

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	2026-05-18T00:00:29.567342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecaa8b7d4491755d9ab74f437d5eebee6fe233f5fc76c7f8a66eb5d88eb75b31

Aliases

arxiv: 1810.02368 · arxiv_version: 1810.02368v2 · doi: 10.48550/arxiv.1810.02368 · pith_short_12: 5SVIW7KESF2V · pith_short_16: 5SVIW7KESF2V3GVX · pith_short_8: 5SVIW7KE

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/5SVIW7KESF2V3GVXJ5BX2XXL5Z \
  | 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: ecaa8b7d4491755d9ab74f437d5eebee6fe233f5fc76c7f8a66eb5d88eb75b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "727fbd899a5b38526b8feeac7ee50284215de386e88f4c6ecfd3136b9090a5bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-04T18:00:00Z",
    "title_canon_sha256": "9cd2bf66c3f423f8937fcb856141af55e58ba357a3fd419012bdde3959d49257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02368",
    "kind": "arxiv",
    "version": 2
  }
}