Pith Number

pith:SEP2BL54

pith:2019:SEP2BL546OK7NTKUKSC5FSHPAE

not attested not anchored not stored refs pending

Tiny Grains Shining Bright in the Gaps of Herbig Ae Transitional Discs

Aaron Rizzuto, Adam L. Kraus, Christoph Federrath, Eloise K. Birchall, John D. Monnier, Matthew T. Agnew, Matthew Willson, Michael J. Ireland, Sarah T. Maddison, Stefan Kraus

arxiv:1904.05990 v1 · 2019-04-12 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEP2BL546OK7NTKUKSC5FSHPAE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:47:55.618780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

911fa0afbcf395f6cd545485d2c8ef010f4b5f092edbb5f998f9abe596f15c97

Aliases

arxiv: 1904.05990 · arxiv_version: 1904.05990v1 · doi: 10.48550/arxiv.1904.05990 · pith_short_12: SEP2BL546OK7 · pith_short_16: SEP2BL546OK7NTKU · pith_short_8: SEP2BL54

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/SEP2BL546OK7NTKUKSC5FSHPAE \
  | 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: 911fa0afbcf395f6cd545485d2c8ef010f4b5f092edbb5f998f9abe596f15c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "633931a9af047f9f792e844814e43f5a9f16b38eb75aed6a14f3e9184373cea4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-12T00:19:03Z",
    "title_canon_sha256": "375fa2b67e641afb5b86350d27f063570f41cc1cbce098d51406ca1f574203a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05990",
    "kind": "arxiv",
    "version": 1
  }
}