Pith Number

pith:575Z3IIN

pith:2018:575Z3IINBHKX3WAZLY44VR3ZEV

not attested not anchored not stored refs pending

Dust evolution in protoplanetary discs and the formation of planetesimals. What have we learned from laboratory experiments?

J\"urgen Blum

arxiv:1802.00221 v1 · 2018-02-01 · 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{575Z3IINBHKX3WAZLY44VR3ZEV}

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	2026-05-18T00:20:35.283849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

effb9da10d09d57dd8195e39cac7792550114df07e68ef93c9b68e3ad2928c41

Aliases

arxiv: 1802.00221 · arxiv_version: 1802.00221v1 · doi: 10.48550/arxiv.1802.00221 · pith_short_12: 575Z3IINBHKX · pith_short_16: 575Z3IINBHKX3WAZ · pith_short_8: 575Z3IIN

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/575Z3IINBHKX3WAZLY44VR3ZEV \
  | 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: effb9da10d09d57dd8195e39cac7792550114df07e68ef93c9b68e3ad2928c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "714c3c54db37cd2ead746014597c41921025df57c91a1dc6a96dfc15e101ca4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-01T10:14:15Z",
    "title_canon_sha256": "e199167425774b1f18d76f04f5fe1619238f8e14e56d1961d37de3d1e7a29bca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00221",
    "kind": "arxiv",
    "version": 1
  }
}