Pith Number

pith:WPUACP54

pith:2015:WPUACP54YPOWXBIQQLN6Y3PPT2

not attested not anchored not stored refs pending

ALMA images of discs: are all gaps carved by planets?

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

arxiv:1509.00691 v1 · 2015-09-02 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPUACP54YPOWXBIQQLN6Y3PPT2}

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	2026-05-18T01:31:30.949999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3e8013fbcc3dd6b851082dbec6def9e8a1af9c05e2fe1b828b42247240dc623

Aliases

arxiv: 1509.00691 · arxiv_version: 1509.00691v1 · doi: 10.48550/arxiv.1509.00691 · pith_short_12: WPUACP54YPOW · pith_short_16: WPUACP54YPOWXBIQ · pith_short_8: WPUACP54

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/WPUACP54YPOWXBIQQLN6Y3PPT2 \
  | 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: b3e8013fbcc3dd6b851082dbec6def9e8a1af9c05e2fe1b828b42247240dc623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea8015a94de091cca3105c2f0a84629313c1fc2bbaa01589e2432496a4e4b0b7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-02T13:35:01Z",
    "title_canon_sha256": "371193c67274693fdf7916d8b54b1a9bf6fc6aed26033c04f0bdf7bf64845422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00691",
    "kind": "arxiv",
    "version": 1
  }
}