Pith Number

pith:LEHF3VOB

pith:2019:LEHF3VOBLBYC5DAK3CUF2WTE2U

not attested not anchored not stored refs pending

Submillimeter emission associated with candidate protoplanets

Andrea Isella, Jaehan Bae, Laura M P\'erez, Miriam Keppler, Myriam Benisty, Richard Teague, Stefano Facchini

arxiv:1906.06308 v1 · 2019-06-14 · astro-ph.EP · astro-ph.SR

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	2026-05-17T23:40:30.085272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

590e5dd5c158702e8c0ad8a85d5a64d5148b7ace828c1ce04c18dac807dafb1d

Aliases

arxiv: 1906.06308 · arxiv_version: 1906.06308v1 · doi: 10.48550/arxiv.1906.06308 · pith_short_12: LEHF3VOBLBYC · pith_short_16: LEHF3VOBLBYC5DAK · pith_short_8: LEHF3VOB

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/LEHF3VOBLBYC5DAK3CUF2WTE2U \
  | 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: 590e5dd5c158702e8c0ad8a85d5a64d5148b7ace828c1ce04c18dac807dafb1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9841a9d0420082b81aac25f92b50d3a321ef69cb856542d2d63ac135ea63004",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-14T17:28:04Z",
    "title_canon_sha256": "ddd60167f480c57655a737c2aa2b375bbcc32fdb14caa365524b94d605e3f615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06308",
    "kind": "arxiv",
    "version": 1
  }
}