Pith Number

pith:6R2K6T3D

pith:2018:6R2K6T3DUDVSMME2ZS2JOXZ4X3

not attested not anchored not stored refs pending

SPH simulations of structures in protoplanetary disks

Tatiana Demidova, Vladimir Grinin

arxiv:1803.04833 v1 · 2018-03-13 · 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{6R2K6T3DUDVSMME2ZS2JOXZ4X3}

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	2026-05-18T00:21:17.629089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f474af4f63a0eb26309accb4975f3cbed6105c7fde5a58a1e36cd01a8932fdbb

Aliases

arxiv: 1803.04833 · arxiv_version: 1803.04833v1 · doi: 10.48550/arxiv.1803.04833 · pith_short_12: 6R2K6T3DUDVS · pith_short_16: 6R2K6T3DUDVSMME2 · pith_short_8: 6R2K6T3D

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/6R2K6T3DUDVSMME2ZS2JOXZ4X3 \
  | 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: f474af4f63a0eb26309accb4975f3cbed6105c7fde5a58a1e36cd01a8932fdbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcfe6c39d057c283d1c8f116db7b62a8e47492661c86449755b73833f0602bb9",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-13T14:29:21Z",
    "title_canon_sha256": "ae2d2b57f6ec88b9c58e49779f34ad3ff454123ece1307f0ddd33a5c73057f5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04833",
    "kind": "arxiv",
    "version": 1
  }
}