Pith Number

pith:VBJE4ENF

pith:2016:VBJE4ENFCQXMYX5NHCRDKM525V

not attested not anchored not stored refs pending

Dust and gas density evolution at a radial pressure bump in protoplanetary disks

Masaki Fujimoto, Shigeru Ida, Tetsuo Taki

arxiv:1605.02744 v1 · 2016-05-09 · 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{VBJE4ENFCQXMYX5NHCRDKM525V}

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	2026-05-18T01:12:03.592579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8524e11a5142ecc5fad38a23533baed599e6f2f8988711b826100f41b34b5b5

Aliases

arxiv: 1605.02744 · arxiv_version: 1605.02744v1 · doi: 10.48550/arxiv.1605.02744 · pith_short_12: VBJE4ENFCQXM · pith_short_16: VBJE4ENFCQXMYX5N · pith_short_8: VBJE4ENF

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/VBJE4ENFCQXMYX5NHCRDKM525V \
  | 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: a8524e11a5142ecc5fad38a23533baed599e6f2f8988711b826100f41b34b5b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7efc0c002760b3a59c4bdbe96bea60a336fc96e85b9043c22059483882c7bd23",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-05-09T20:00:11Z",
    "title_canon_sha256": "ae188ccc9108d3de4f3c829124645e313db73f581999b242f173b9f9c6d42e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02744",
    "kind": "arxiv",
    "version": 1
  }
}