Pith Number

pith:QWMBZJ3C

pith:2015:QWMBZJ3CB7LKNPCQGNX6U6MF5F

not attested not anchored not stored refs pending

Compact dust concentration in the MWC 758 protoplanetary disk

C. M. Wright, H. Avenhaus, P. E. Roman, S. Casassus, S. Marino, S. Perez, S. T. Maddison, W. Lyra

arxiv:1505.06732 v2 · 2015-05-25 · 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{QWMBZJ3CB7LKNPCQGNX6U6MF5F}

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	2026-05-18T01:28:04.992816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85981ca7620fd6a6bc50336fea7985e969e2bda5b998e31374e7d7241fbd18f3

Aliases

arxiv: 1505.06732 · arxiv_version: 1505.06732v2 · doi: 10.48550/arxiv.1505.06732 · pith_short_12: QWMBZJ3CB7LK · pith_short_16: QWMBZJ3CB7LKNPCQ · pith_short_8: QWMBZJ3C

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/QWMBZJ3CB7LKNPCQGNX6U6MF5F \
  | 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: 85981ca7620fd6a6bc50336fea7985e969e2bda5b998e31374e7d7241fbd18f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb2c0062cde069d6c1a3ea583657dacaafc5c6af54c0964c99841723f1e43c64",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-05-25T20:00:23Z",
    "title_canon_sha256": "58382109af254c8634e1fd4e9e3c4ea1dc0e4b8ee26edd2e03c4aa9c08416665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06732",
    "kind": "arxiv",
    "version": 2
  }
}