Pith Number

pith:SP7Q6OP2

pith:2017:SP7Q6OP2HJTTIPMPH4KKUP2FYF

not attested not anchored not stored refs pending

Secular evolution of eccentricity in protoplanetary discs with gap-opening planets

Gordon I. Ogilvie, Jean Teyssandier

arxiv:1702.04543 v1 · 2017-02-15 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SP7Q6OP2HJTTIPMPH4KKUP2FYF}

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	2026-05-18T00:47:47.970805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ff0f39fa3a67343d8f3f14aa3f45c15251d4963e3dfd91313d3934966e975f

Aliases

arxiv: 1702.04543 · arxiv_version: 1702.04543v1 · doi: 10.48550/arxiv.1702.04543 · pith_short_12: SP7Q6OP2HJTT · pith_short_16: SP7Q6OP2HJTTIPMP · pith_short_8: SP7Q6OP2

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/SP7Q6OP2HJTTIPMPH4KKUP2FYF \
  | 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: 93ff0f39fa3a67343d8f3f14aa3f45c15251d4963e3dfd91313d3934966e975f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15670fc228f39a303c7982c923e4c2654b7a3703c60ad852e640f4f8048f4b11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-02-15T10:56:57Z",
    "title_canon_sha256": "fb7e5e98df3e5ebc406780d372d5478d3f1def4fef9f93a95fe0ba5ac3bbc227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04543",
    "kind": "arxiv",
    "version": 1
  }
}