Pith Number

pith:53OEKL4W

pith:2017:53OEKL4WBSSFF4R6NYEQQDRBKX

not attested not anchored not stored refs pending

Gap and rings carved by vortices in protoplanetary dust

C. L. Carilli, L. Ricci, P. Barge, R. Previn-Ratnasingam

arxiv:1706.07131 v1 · 2017-06-21 · 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{53OEKL4WBSSFF4R6NYEQQDRBKX}

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	2026-05-18T00:34:47.681777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eedc452f960ca452f23e6e09080e2155cff0e07a5cab63da9ac93233bd869255

Aliases

arxiv: 1706.07131 · arxiv_version: 1706.07131v1 · doi: 10.48550/arxiv.1706.07131 · pith_short_12: 53OEKL4WBSSF · pith_short_16: 53OEKL4WBSSFF4R6 · pith_short_8: 53OEKL4W

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/53OEKL4WBSSFF4R6NYEQQDRBKX \
  | 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: eedc452f960ca452f23e6e09080e2155cff0e07a5cab63da9ac93233bd869255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e313594aecebb041be888b4cf9e27d9e353287bbe5ff987958b0906e1f1963",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-06-21T22:34:03Z",
    "title_canon_sha256": "bd9561e1114f0d3d109569010af6ae5e98d71d063791303f89be727cb09a7a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07131",
    "kind": "arxiv",
    "version": 1
  }
}