Pith Number

pith:PGIQWAJP

pith:2019:PGIQWAJPVESQZFFWK4C6GL7SWB

not attested not anchored not stored refs pending

Double-peaked OI profile: a likely signature of the gaseous ring around KH 15D

Ilaria Pascucci, Jinyoung Serena Kim, Min Fang, Suzan Edwards

arxiv:1906.04723 v1 · 2019-06-11 · astro-ph.SR · astro-ph.GA

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

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	2026-05-17T23:41:07.815376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79910b012fa9250c94b65705e32ff2b07358d953494853eb318e9fcd8153fa19

Aliases

arxiv: 1906.04723 · arxiv_version: 1906.04723v1 · doi: 10.48550/arxiv.1906.04723 · pith_short_12: PGIQWAJPVESQ · pith_short_16: PGIQWAJPVESQZFFW · pith_short_8: PGIQWAJP

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/PGIQWAJPVESQZFFWK4C6GL7SWB \
  | 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: 79910b012fa9250c94b65705e32ff2b07358d953494853eb318e9fcd8153fa19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1efee447dd76dc388885851e0fa1d2bc265f115bccf26af414bc331e85af5caf",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-11T17:53:35Z",
    "title_canon_sha256": "2ea9418e52c8f6a2f48ceecc4c9090cc961bc99d941edca279e51a4a1804f31c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04723",
    "kind": "arxiv",
    "version": 1
  }
}