Pith Number

pith:CVFFEZ5I

pith:2014:CVFFEZ5IWACGBOQWM7X5ZZI2FQ

not attested not anchored not stored refs pending

Formation of pebble-pile planetesimals

Anders Johansen, Karl Wahlberg Jansson

arxiv:1408.2535 v2 · 2014-08-11 · 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{CVFFEZ5IWACGBOQWM7X5ZZI2FQ}

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	2026-05-18T02:40:09.971563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

154a5267a8b00460ba1667efdce51a2c0586fb5a6323c057de9eb2adbbf8e25a

Aliases

arxiv: 1408.2535 · arxiv_version: 1408.2535v2 · doi: 10.48550/arxiv.1408.2535 · pith_short_12: CVFFEZ5IWACG · pith_short_16: CVFFEZ5IWACGBOQW · pith_short_8: CVFFEZ5I

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/CVFFEZ5IWACGBOQWM7X5ZZI2FQ \
  | 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: 154a5267a8b00460ba1667efdce51a2c0586fb5a6323c057de9eb2adbbf8e25a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0faf9a37bb54ac90674e25a1b9562dc63f451d0ecf9f018e526031896193690",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-08-11T20:06:48Z",
    "title_canon_sha256": "83cb7a456277ba679de2c44db3f0a7407c03649e076bdfd58f966a9590ff3755"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2535",
    "kind": "arxiv",
    "version": 2
  }
}