Pith Number

pith:S4ECS5VG

pith:2015:S4ECS5VGVTDFX4XAVKBWGFKNEA

not attested not anchored not stored refs pending

Viscous Instability Triggered by Layered Accretion in Protoplanetary Disks

Taku Takeuchi, Yasuhiro Hasegawa

arxiv:1511.02813 v1 · 2015-11-09 · 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{S4ECS5VGVTDFX4XAVKBWGFKNEA}

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	2026-05-18T01:23:54.477995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97082976a6acc65bf2e0aa8363154d2010614a4befc53ac2f1999b87bcb77abb

Aliases

arxiv: 1511.02813 · arxiv_version: 1511.02813v1 · doi: 10.48550/arxiv.1511.02813 · pith_short_12: S4ECS5VGVTDF · pith_short_16: S4ECS5VGVTDFX4XA · pith_short_8: S4ECS5VG

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/S4ECS5VGVTDFX4XAVKBWGFKNEA \
  | 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: 97082976a6acc65bf2e0aa8363154d2010614a4befc53ac2f1999b87bcb77abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03543cd2112c6713cbe49567c3509a073822d5012e9f5d089e58f74aaf7c5cb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-11-09T19:34:22Z",
    "title_canon_sha256": "214c323abd49d4b62fe2ddd167aca3182169d0862d485bdb5f10deb5f01ed8f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02813",
    "kind": "arxiv",
    "version": 1
  }
}