Pith Number

pith:INVA4B2U

pith:2013:INVA4B2UC5YZ45FBTILEBVH4JH

not attested not anchored not stored refs pending

Planet gaps in the dust layer of 3D proto-planetary disks: Observability with ALMA

Christophe Pinte (IPAG), Fran\c{c}ois M\'enard (IPAG), Jean-Fran\c{c}ois Gonzalez (CRAL), Sarah T. Maddison (SWINBURNE)

arxiv:1307.1687 v1 · 2013-07-05 · astro-ph.SR · 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{INVA4B2UC5YZ45FBTILEBVH4JH}

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	2026-05-18T01:48:59.277721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

436a0e075417719e74a19a1640d4fc49f67a811d299201333afe69fbc5173197

Aliases

arxiv: 1307.1687 · arxiv_version: 1307.1687v1 · doi: 10.48550/arxiv.1307.1687 · pith_short_12: INVA4B2UC5YZ · pith_short_16: INVA4B2UC5YZ45FB · pith_short_8: INVA4B2U

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/INVA4B2UC5YZ45FBTILEBVH4JH \
  | 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: 436a0e075417719e74a19a1640d4fc49f67a811d299201333afe69fbc5173197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "414c9406864bc7a78ff9346c3c9a35edef1bc678e0ca0ced22abc3327020e795",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-05T18:50:48Z",
    "title_canon_sha256": "d80f41253abade3494fa9930e067b37c57fb0c9e386bdba883d38850e500177b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1687",
    "kind": "arxiv",
    "version": 1
  }
}